question: \triangle R S V \cong \triangle T V S. Find x.
  Choices:
  A:11
  B:11.5
  C:12
  D:12.5
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: \triangle R S V \cong \triangle T V S. Find x.
  Choices:
  A:11
  B:11.5
  C:12
  D:12.5
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: \triangle R S V \cong \triangle T V S. Find x.
  Choices:
  A:11
  B:11.5
  C:12
  D:12.5
question_for_eval: \triangle R S V \cong \triangle T V S. Find x.
  Choices:
  A:11
  B:11.5
  C:12
  D:12.5