anchor.diff:  sport-soccer,1,1,0,equipment service value_for_money
   sport-swimming,1,1,0,equipment service value_for_money
   sport-tennis,1,1,0,equipment service value_for_money
  +tourism-alpine_hut,1,1,0,booking_hotel_room service placepage_hotel_facilities
  +tourism-apartment,1,1,0,booking_hotel_room service placepage_hotel_facilities
   tourism-artwork,1,1,0,experience value_for_money
   tourism-attraction,1,1,0,experience value_for_money
   tourism-camp_site,1,1,0,rating
  +tourism-chalet,1,1,0,booking_hotel_room service placepage_hotel_facilities
   tourism-guest_house,1,1,1,booking_hotel_room service placepage_hotel_facilities
   tourism-hostel,1,1,1,booking_hotel_room service placepage_hotel_facilities
   tourism-hotel,1,1,1,booking_hotel_room service placepage_hotel_facilities
  
positive.code: amenity-bank,1,1,0,quality service value_for_money
  amenity-bar,1,1,1,value_for_money service atmosphere
  amenity-bicycle_rental,1,1,0,experience service value_for_money
  amenity-bus_station,1,1,0,rating
  amenity-cafe,1,1,1,cuisine service atmosphere
  amenity-car_rental,1,1,0,quality service value_for_money
  
negative.code: amenity-restaurant,1,1,1,cuisine service atmosphere
  amenity-school,1,1,0,rating
  amenity-shelter,1,1,0,rating
  amenity-shower,1,1,0,rating
  amenity-taxi,1,1,0,rating
  amenity-theatre,1,1,0,experience service value_for_money
  amenity-toilets,1,1,0,rating
  amenity-townhall,1,1,0,rating
  amenity-university,1,1,0,rating
  building,1,1,0,rating
  building-train_station,1,1,0,rating
  historic-archaeological_site,1,1,0,experience value_for_money
  