Detailed Instructions: In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".
Q: M: The teacher called off the lecture. W: Oh, really? His student John must be disappointed at this news., Question: Who is John? (A) Teacher. (B) Student. (C) Nurse.
A:
(B) Student.