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.

Example Input: M: Universal Travel Agency, may I help you? ,F: Yes, my husband and I want to take a vacation to an island somewhere. Do you have any places to recommend? ,M: Certainly, off the top of my head. I would suggest the island of Bali. ,F: Why Bali? ,M: At this time of year. Most places have a lot of rain, but it is the dry season in Bali. There are also many excellent restaurants and hotels to choose from, plus, Bali is known for its surfing and diving, and I must say that the shopping is absolutely great.
(A) F: I'm glad that the island of Bali is known for its good weather, because my parents and I don't like rainy days when we are traveling. (B) F: That's great, Bali is known for its surfing and diving, my friends will love it. (C) F: Excuse me, could you repeat the question? (D) F: Awesome! my parents and I both like shopping, that's a really good news that Bali is famous for the shopping centers.
Example Output: C

Example Input: F: Look at the monkeys running around on the rocks. They are so lovely. ,M: Yes, their surrounding seems to suit them very well. Let's go over and see the panda now.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Before we go, do you know where is the toilet in this zoo? (C) F: Excuse, how much are these in total? (D) F: I can't find this museum's exit.
Example Output: B

Example Input: F: I saw a beautiful fish in the market the other day, it was orange and blue. I'm thinking of buying some next Sunday. ,M: Where would you keep them? ,F: In that round bottle over there. ,M: It's a bit small, isn't it? ,F: So are the fish. ,M: I think you should get a tank if you want to keep fish. ,F: Really? ,M: Yes, you should never keep fish in a small round bottle. They don't get enough air. I suggest we go shopping together and look for a nice tank.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Yeah, I agree with you. But now we are at home, we can't immediately buy a new tank. (C) F: I agree with you. The fish  can get enough air in a small round bottle. I think we can put a small battle in this office. (D) F: Yeah. Since we are at home and the fish are so big, we can buy some small ones on the Internet.
Example Output:
B