question: What fraction of the area of the figure is shaded?
  Choices:
  A.3/8
  B.1/4
  C.1/8
  D.1/10
  E.1/16
  
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: What fraction of the area of the figure is shaded?
  Choices:
  A.3/8
  B.1/4
  C.1/8
  D.1/10
  E.1/16
  
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: What fraction of the area of the figure is shaded?
  Choices:
  A.3/8
  B.1/4
  C.1/8
  D.1/10
  E.1/16
  
question_for_eval: What fraction of the area of the figure is shaded?
  Choices:
  A.3/8
  B.1/4
  C.1/8
  D.1/10
  E.1/16
  