question: Find m \angle R C M.
  Choices:
  A:27
  B:43
  C:47
  D:67
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find m \angle R C M.
  Choices:
  A:27
  B:43
  C:47
  D:67
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 m \angle R C M.
  Choices:
  A:27
  B:43
  C:47
  D:67
question_for_eval: Find m \angle R C M.
  Choices:
  A:27
  B:43
  C:47
  D:67