question: Find x.
  Choices:
  A:4
  B:4 \sqrt { 2 }
  C:4 \sqrt { 3 }
  D:8
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find x.
  Choices:
  A:4
  B:4 \sqrt { 2 }
  C:4 \sqrt { 3 }
  D:8
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 x.
  Choices:
  A:4
  B:4 \sqrt { 2 }
  C:4 \sqrt { 3 }
  D:8
question_for_eval: Find x.
  Choices:
  A:4
  B:4 \sqrt { 2 }
  C:4 \sqrt { 3 }
  D:8