question: Find the value of the variable y in the right trapezoid.
  Choices:
  A:10
  B:20
  C:30
  D:70
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find the value of the variable y in the right trapezoid.
  Choices:
  A:10
  B:20
  C:30
  D:70
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: Find the value of the variable y in the right trapezoid.
  Choices:
  A:10
  B:20
  C:30
  D:70
question_for_eval: Find the value of the variable y in the right trapezoid.
  Choices:
  A:10
  B:20
  C:30
  D:70