question: Find the area of the shaded region. 
  Choices:
  A:35.2
  B:43.2
  C:53.5
  D:56.9
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find the area of the shaded region. 
  Choices:
  A:35.2
  B:43.2
  C:53.5
  D:56.9
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 area of the shaded region. 
  Choices:
  A:35.2
  B:43.2
  C:53.5
  D:56.9
question_for_eval: Find the area of the shaded region. 
  Choices:
  A:35.2
  B:43.2
  C:53.5
  D:56.9