question: As shown in the picture, and the lateral area of ​​the cone-shaped tent roof (excluding the seams) is ()
  Choices:
  A:15πm^{2}
  B:30πm^{2}
  C:50πm^{2}
  D:75πm^{2}
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: As shown in the picture, and the lateral area of ​​the cone-shaped tent roof (excluding the seams) is ()
  Choices:
  A:15πm^{2}
  B:30πm^{2}
  C:50πm^{2}
  D:75πm^{2}
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: As shown in the picture, and the lateral area of ​​the cone-shaped tent roof (excluding the seams) is ()
  Choices:
  A:15πm^{2}
  B:30πm^{2}
  C:50πm^{2}
  D:75πm^{2}
question_for_eval: As shown in the picture, and the lateral area of ​​the cone-shaped tent roof (excluding the seams) is ()
  Choices:
  A:15πm^{2}
  B:30πm^{2}
  C:50πm^{2}
  D:75πm^{2}