question: Find A B if \triangle A B C is an isosceles triangle.
  Choices:
  A:3
  B:4
  C:7
  D:11
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find A B if \triangle A B C is an isosceles triangle.
  Choices:
  A:3
  B:4
  C:7
  D:11
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 A B if \triangle A B C is an isosceles triangle.
  Choices:
  A:3
  B:4
  C:7
  D:11
question_for_eval: Find A B if \triangle A B C is an isosceles triangle.
  Choices:
  A:3
  B:4
  C:7
  D:11