In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

[Q]: F: Excuse me, are you going to buy that textbook? ,M: Well, yeah, I need it for a class. But it's awfully expensive. ,F: Oh, we must be in the same class! Civil engineering? ,M: Yes, that's the one! ,F: Were you there last Friday for the first class? ,M: Yes. I only moved here last Monday, and I registered for the class last Tuesday. By the way, I thought Professor Qian really seemed to know his subject.
(A) F: Great. Since you moved here last month, you must have your first class last Monday. (B) F: Yes. It is great that you registered for class last Monday and had your first class last Tuesday. (C) F: His courses are great. You must learnt a lot of Civil Engineering in your first class last Friday. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
[A]: C


[Q]: M: I need to take some medicine. I think I got a cold. ,F: Well, you might want to drink some water first. I haven't seen you have anything to drink all day even while we were having lunch.
(A) M: You are right, I  should eat all this food first. (B) M: I only like apple juice, warm water is not suitable for me. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: I won't take any medicine because it dose no good for my cold.
[A]: C


[Q]: F: Have you received Tom's invitation yet? ,M: No, I haven't. Invitation to What? ,F: Tom bought a new house last week. And he's going to hold a house warming party this weekend. ,M: Have you seen the house? ,F: Yes, it's very big. It has a large bedroom for him and his wife, and a bedroom for each of their four children. ,M: Is there a garden behind the house? ,F: Yes, you know. Tom loves gardening. Now he can finally grow all the different plants he loves. ,M: I'll go and check my email this afternoon. I must have just missed his invitation. I really look forward to seeing his new house.
(A) F: Yeah, if you send Tom an email this afternoon, we can visit his new three-bedroom house together. (B) F: Now that you have received Tom's invitation, you can indeed visit his new house this afternoon. (C) F: Haha, in that case, you really need to check if you have received Tom's invitation this afternoon. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
[A]:
C