question: In the figure above, if r = 90, s = 50, t = 60, u = 45, and w = 50, what is the value of x?
  Choices:
  A.45
  B.50
  C.65
  D.75
  E.It cannot be determined from the information given
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: In the figure above, if r = 90, s = 50, t = 60, u = 45, and w = 50, what is the value of x?
  Choices:
  A.45
  B.50
  C.65
  D.75
  E.It cannot be determined from the information given
query_cot: Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: In the figure above, if r = 90, s = 50, t = 60, u = 45, and w = 50, what is the value of x?
  Choices:
  A.45
  B.50
  C.65
  D.75
  E.It cannot be determined from the information given
question_for_eval: In the figure above, if r = 90, s = 50, t = 60, u = 45, and w = 50, what is the value of x?
  Choices:
  A.45
  B.50
  C.65
  D.75
  E.It cannot be determined from the information given