question: In the triangle above, angle M is 80 degrees and angle Q is 30 degrees. The length of MN is 4. Which of the following must be true?
  Choices:
  A.p=r
  B.p<r
  C.p>r
  D.p=4
  E.p>4
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: In the triangle above, angle M is 80 degrees and angle Q is 30 degrees. The length of MN is 4. Which of the following must be true?
  Choices:
  A.p=r
  B.p<r
  C.p>r
  D.p=4
  E.p>4
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: In the triangle above, angle M is 80 degrees and angle Q is 30 degrees. The length of MN is 4. Which of the following must be true?
  Choices:
  A.p=r
  B.p<r
  C.p>r
  D.p=4
  E.p>4
question_for_eval: In the triangle above, angle M is 80 degrees and angle Q is 30 degrees. The length of MN is 4. Which of the following must be true?
  Choices:
  A.p=r
  B.p<r
  C.p>r
  D.p=4
  E.p>4