question: What is the value of a^2 + b^2?
  Choices:
  A.8
  B.10
  C.11
  D.12
  E.13
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: What is the value of a^2 + b^2?
  Choices:
  A.8
  B.10
  C.11
  D.12
  E.13
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: What is the value of a^2 + b^2?
  Choices:
  A.8
  B.10
  C.11
  D.12
  E.13
question_for_eval: What is the value of a^2 + b^2?
  Choices:
  A.8
  B.10
  C.11
  D.12
  E.13