question: In the figure above. What is the radius of the smaller circle?
  Choices:
  A.1
  B.2
  C.4
  D.8
  E.16
  
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: In the figure above. What is the radius of the smaller circle?
  Choices:
  A.1
  B.2
  C.4
  D.8
  E.16
  
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. What is the radius of the smaller circle?
  Choices:
  A.1
  B.2
  C.4
  D.8
  E.16
  
question_for_eval: In the figure above. What is the radius of the smaller circle?
  Choices:
  A.1
  B.2
  C.4
  D.8
  E.16
  