Definition: 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".
Input: W: Operator, can I help you? M: Yes. I'd like to make a collect call. My number is 7683384. W: And the number you're dialing? M: That's 7638558. Oh, no, I'm sorry, I forgot it's just changed. It's now 7643388. W: Please hold the line, caller., Question: What is the caller's number? (A) 7643388. (B) 7638558. (C) 7683384.
Output:
(C) 7683384.