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what are all city for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.name)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : City(X2)  ∧  From(X2 ∧ X1)
what are all city city for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.name)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : City(X2)  ∧  From(X2 ∧ X1)
what are all day for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.date)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Day(X2)  ∧  Flight_on_Day(X2 ∧ X1)
what are all day day for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.date)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Day(X2)  ∧  Flight_on_Day(X2 ∧ X1)
what are all month for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.name)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Month(X2)  ∧  Flight_in_Month(X2 ∧ X1)
what are all month month for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.name)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Month(X2)  ∧  Flight_in_Month(X2 ∧ X1)
what are all day number for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.number)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Day_Number(X2)  ∧  Flight_on_Day_Number(X2 ∧ X1)
what are all day number day number for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.number)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Day_Number(X2)  ∧  Flight_on_Day_Number(X2 ∧ X1)
what are all airline for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.name)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Airline(X2)  ∧  Flight_by_Airline(X2 ∧ X1)
what are all airline airline for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.name)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Airline(X2)  ∧  Flight_by_Airline(X2 ∧ X1)
what are all fare for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.amount)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Fare(X2)  ∧  Fare_of_Flight(X2 ∧ X1)
what are all fare fare for which bwd, flight flight is C1,  ? 	 lambda $0 (X2.amount)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Fare(X2)  ∧  Fare_of_Flight(X2 ∧ X1)
what are all oneway for which flight flight is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Oneway(X2)  ∧  Flight_to_Oneway(X2 ∧ X1)
what are all oneway oneway for which flight flight is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Flight(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Oneway(X2)  ∧  Flight_to_Oneway(X2 ∧ X1)
what are all flight for which fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)
what are all flight flight for which fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)
what are all day for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd,  fwd, city city is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which fwd, city city is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which fwd, city city is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all flight for which fwd, day day is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)
what are all flight flight for which fwd, day day is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)
what are all city for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all month for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd,  fwd, day day is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which fwd, day day is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which fwd, day day is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all flight for which fwd, month month is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)
what are all flight flight for which fwd, month month is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)
what are all city for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day number for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd,  fwd, month month is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which fwd, month month is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which fwd, month month is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all flight for which fwd, day number day number is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)
what are all flight flight for which fwd, day number day number is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)
what are all city for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all airline for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which fwd, day number day number is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which fwd, day number day number is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all flight for which fwd, airline airline is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)
what are all flight flight for which fwd, airline airline is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)
what are all city for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all fare for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which fwd, airline airline is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which fwd, airline airline is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all flight for which fwd, fare fare is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)
what are all flight flight for which fwd, fare fare is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)
what are all city for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all oneway for which fwd, fare fare is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which fwd, fare fare is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all flight for which fwd, oneway oneway is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)
what are all flight flight for which fwd, oneway oneway is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)
what are all city for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all day for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd, flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which flight flight is C2,  fwd, city city is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all city for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all month for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd, flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which flight flight is C2,  fwd, day day is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day(X1)  ∧  X1.date=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all city for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day number for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd, flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which flight flight is C2,  fwd, month month is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Month(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Month_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all city for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all airline for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd, flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which flight flight is C2,  fwd, day number day number is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Day_Number(X1)  ∧  X1.number=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Day_Number_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all city for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all fare for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd, flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all oneway for which flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which flight flight is C2,  fwd, airline airline is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Airline(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Airline_of_Flight(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all city for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd, flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all oneway for which flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all oneway oneway for which flight flight is C2,  fwd, fare fare is C1,  ? 	 lambda $0 (X3.type)    ∧  ∧ forall X1 : Fare(X1)  ∧  X1.amount=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  Flight_of_Fare(X2 ∧ X1)  ∧  ∧ forall X3 : Oneway(X3)  ∧  Flight_to_Oneway(X3 ∧ X2)
what are all city for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all city city for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : City(X3)  ∧  From(X3 ∧ X2)
what are all day for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all day day for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.date)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Day(X3)  ∧  Flight_on_Day(X3 ∧ X2)
what are all month for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all month month for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Month(X3)  ∧  Flight_in_Month(X3 ∧ X2)
what are all day number for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all day number day number for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.number)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Day_Number(X3)  ∧  Flight_on_Day_Number(X3 ∧ X2)
what are all airline for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all airline airline for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.name)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Airline(X3)  ∧  Flight_by_Airline(X3 ∧ X2)
what are all fare for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all fare fare for which bwd, flight flight is C2,  fwd, oneway oneway is C1,  ? 	 lambda $0 (X3.amount)    ∧  ∧ forall X1 : Oneway(X1)  ∧  X1.type=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  X2.type=C2  ∧  ∧ forall X3 : Fare(X3)  ∧  Fare_of_Flight(X3 ∧ X2)
what are all flight for which fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)
what are all flight flight for which fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)
what are all month for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all month month for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all day number for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day_Number(X4)  ∧  Flight_on_Day_Number(X4 ∧ X2)
what are all day number day number for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day_Number(X4)  ∧  Flight_on_Day_Number(X4 ∧ X2)
what are all airline for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Airline(X4)  ∧  Flight_by_Airline(X4 ∧ X2)
what are all airline airline for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Airline(X4)  ∧  Flight_by_Airline(X4 ∧ X2)
what are all fare for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all fare fare for which bwd,  fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all oneway for which fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all oneway oneway for which fwd, day day is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day(X3)  ∧  X3.date=C2  ∧  Day_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all flight for which fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)
what are all flight flight for which fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)
what are all day for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all day day for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all day number for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day_Number(X4)  ∧  Flight_on_Day_Number(X4 ∧ X2)
what are all day number day number for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day_Number(X4)  ∧  Flight_on_Day_Number(X4 ∧ X2)
what are all airline for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Airline(X4)  ∧  Flight_by_Airline(X4 ∧ X2)
what are all airline airline for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Airline(X4)  ∧  Flight_by_Airline(X4 ∧ X2)
what are all fare for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all fare fare for which bwd,  fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all oneway for which fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all oneway oneway for which fwd, month month is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Month(X3)  ∧  X3.name=C2  ∧  Month_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all flight for which fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)
what are all flight flight for which fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)
what are all day for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all day day for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all month for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all month month for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all airline for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Airline(X4)  ∧  Flight_by_Airline(X4 ∧ X2)
what are all airline airline for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Airline(X4)  ∧  Flight_by_Airline(X4 ∧ X2)
what are all fare for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all fare fare for which bwd,  fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all oneway for which fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all oneway oneway for which fwd, day number day number is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Day_Number(X3)  ∧  X3.number=C2  ∧  Day_Number_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all flight for which fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)
what are all flight flight for which fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)
what are all day for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all day day for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all month for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all month month for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all day number for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day_Number(X4)  ∧  Flight_on_Day_Number(X4 ∧ X2)
what are all day number day number for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.number)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Day_Number(X4)  ∧  Flight_on_Day_Number(X4 ∧ X2)
what are all fare for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all fare fare for which bwd,  fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.amount)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Fare(X4)  ∧  Fare_of_Flight(X4 ∧ X2)
what are all oneway for which fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all oneway oneway for which fwd, airline airline is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Airline(X3)  ∧  X3.name=C2  ∧  Airline_of_Flight(X2 ∧ X3)  ∧  ∧ forall X4 : Oneway(X4)  ∧  Flight_to_Oneway(X4 ∧ X2)
what are all flight for which fwd, fare fare is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  X3.amount=C2  ∧  Flight_of_Fare(X2 ∧ X3)
what are all flight flight for which fwd, fare fare is C2,  fwd, city city is C1,  ? 	 lambda $0 (X2.type)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ forall X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  X3.amount=C2  ∧  Flight_of_Fare(X2 ∧ X3)
what are all day for which bwd,  fwd, fare fare is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  X3.amount=C2  ∧  Flight_of_Fare(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all day day for which bwd,  fwd, fare fare is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.date)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  X3.amount=C2  ∧  Flight_of_Fare(X2 ∧ X3)  ∧  ∧ forall X4 : Day(X4)  ∧  Flight_on_Day(X4 ∧ X2)
what are all month for which bwd,  fwd, fare fare is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  X3.amount=C2  ∧  Flight_of_Fare(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)
what are all month month for which bwd,  fwd, fare fare is C2,  fwd, city city is C1,  ? 	 lambda $0 (X4.name)    ∧  ∧ forall X1 : City(X1)  ∧  X1.name=C1  ∧  ∧ exists X2 : Flight(X2)  ∧  To(X2 ∧ X1)  ∧  ∧ forall X3 : Fare(X3)  ∧  X3.amount=C2  ∧  Flight_of_Fare(X2 ∧ X3)  ∧  ∧ forall X4 : Month(X4)  ∧  Flight_in_Month(X4 ∧ X2)