question: Find z.
  Choices:
  A:10
  B:\frac { 32 } { 3 }
  C:\frac { 40 } { 3 }
  D:\frac { 50 } { 3 }
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Find z.
  Choices:
  A:10
  B:\frac { 32 } { 3 }
  C:\frac { 40 } { 3 }
  D:\frac { 50 } { 3 }
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 z.
  Choices:
  A:10
  B:\frac { 32 } { 3 }
  C:\frac { 40 } { 3 }
  D:\frac { 50 } { 3 }
question_for_eval: Find z.
  Choices:
  A:10
  B:\frac { 32 } { 3 }
  C:\frac { 40 } { 3 }
  D:\frac { 50 } { 3 }