question: Which single option below gives us the graph's domain?
  Choices:
  A.$x \geq 0$
  B.$x>0$
  C.All real $x$
  D.$x<0$
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: Which single option below gives us the graph's domain?
  Choices:
  A.$x \geq 0$
  B.$x>0$
  C.All real $x$
  D.$x<0$
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: Which single option below gives us the graph's domain?
  Choices:
  A.$x \geq 0$
  B.$x>0$
  C.All real $x$
  D.$x<0$
question_for_eval: Which single option below gives us the graph's domain?
  Choices:
  A.$x \geq 0$
  B.$x>0$
  C.All real $x$
  D.$x<0$