In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".

[EX Q]: M: I understand you missed the calculus problem on today's homework. W: Yes, and if I had just used my head, I would have figured it out!
[EX A]: What does the woman mean? (A) She figured the problem out in her head. (B) She was ahead of the other students until today. (C) She didn't think careful about the problem.

[EX Q]: W: If you have time, will you mail a letter for me tomorrow? M: I'd be glad to.
[EX A]: Who will mail the letter? (A) The man. (B) The woman. (C) Neither the man nor the woman.

[EX Q]: M: Can you speak louder, Liu Ying? So that everyone can hear you. W: Yes, sir.
[EX A]:
Where are they talking probably? (A) At home. (B) In the classroom. (C) In the street.