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.

Input: Consider Input: F: Which type of washing machine have you decided on? ,M: I'm still not sure. ,F: We have many brands. Little Swan is domestic. Philipson, Panasonic are imported. ,M: Which one is of the highest quality?
(A) F: The only one I recommended has the highest quality. (B) F: It's hard to say which one in those three brands is the best in quality. (C) F: It's hard to say. You can choose between the two brands I told you. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Output: B

Input: Consider Input: M: Thank you for calling the Hillside Gallery. How can I help you? ,F: Hello. Is there a photography exhibition this weekend? ,M: Yes, there is. ,F: How much is the ticket? ,M: Tickets for the gallery are 10 pounds and half price for children, but this includes the painting exhibitions, too. If you only want to see the photography exhibition, it's 7 pounds per person, with half price for children, too. ,F: The gallery's on Flower Street, isn't it? ,M: No, we moved to a different building last year. Our present address is 25 Gardenia Road. It's opposite to the Town Square. ,F: Oh, I see. Does the number 25 bus go by it? ,M: Yes, but I suggest you not take a bus or drive here. You will be stuck in a traffic jam at weekends on this street. The underground is easy and fast.
(A) F: Sure, I will take the bus there as you suggested since it's faster and cheaper. (B) F: I hate traffic jam. In that case, I shall take the underground to go to your gallery. (C) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (D) F: So you think it's better driving there since neither bus nor subway goes there.

Output: B

Input: Consider Input: F: I heard something terrible happen to your son last weekend. ,M: Yes, my family went swimming with Mr Henry and his son last Saturday. When we got there, my wife and I started looking for a nice spot near the pool. My son ran off by himself and went over to the pool. The next thing we knew, he was in the water. ,F: Can he swim? ,M: No, he can't. We told him to stay in the shallow part of the pool, but he slipped into the deep part of the pool by accident. ,F: That's horrible. Did anyone notice what was happening? ,M: Yes, luckly Henry was nearby and immediately realized that he was drowning. Henry is taken some swimming lessons. So he knew right away that my son was in danger.
(A) F: So, Henry knew your son was in danger as he had taken some swimming lessons? Oh, I think your son was very lucky. (B) F: So, although Henry was not nearby, he knew your son was in danger as he had taken some swimming lessons? (C) F: So, Henry knew your son was in danger as he heard some people screaming for help but he didn't immediately realized that? (D) F: I didn't hear you. Please could you tell me again?
Output: A