question: Find x.
  Choices:
  A:8 \sqrt { 2 }
  B:8 \sqrt { 3 }
  C:8 \sqrt { 5 }
  D:8 \sqrt { 7 }
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find x.
  Choices:
  A:8 \sqrt { 2 }
  B:8 \sqrt { 3 }
  C:8 \sqrt { 5 }
  D:8 \sqrt { 7 }
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:8 \sqrt { 2 }
  B:8 \sqrt { 3 }
  C:8 \sqrt { 5 }
  D:8 \sqrt { 7 }
question_for_eval: Find x.
  Choices:
  A:8 \sqrt { 2 }
  B:8 \sqrt { 3 }
  C:8 \sqrt { 5 }
  D:8 \sqrt { 7 }