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.

Ex Input:
M: Hello, Clark Cycle here. How can I help you? ,F: Oh, hello. I saw your ad in the local paper and I'm wondering what kinds of bikes you have, and what your prices are like? ,M: Well, we hire out 3 main types of machine, electric touring and mountain bikes. Are you likely to be riding off-road, do you think? ,F: No, I'll probably be sticking to roads. So, we're touring bike would be best. ,M: Right, well the rate will be 50 pounds for a week or 14 pounds per day. ,F: So it's a lot cheaper to rent by the week. Is there anything else I'd have to pay? ,M: Well, for another 5 pounds, we can supply lightweight bags. There is no charge for things like a pump or for a lock. It's a good strong one, just make sure you don't lose the key.
(A) F: Yeah, it's not a good strong one and cannot make sure I don't lose the key. And you mean the lock needs extra charge, right? (B) F: Really? For another 4 pounds, you can supply lightweight bags for me? So, the bag needs extra charge? (C) F: For another 5 pounds, you can supply lightweight bags for me? So, the bag needs extra charge? (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Ex Output:
C


Ex Input:
M: Hi Marina, I'm sorry to keep you waiting. I bought a map in the bookstore. ,F: Oh, we don't need a map at all. I'll be your tour guide. I'm familiar with every corner of the city. Chinatown, Broadway, Central Park, the Natural History Museum. ,M: That's great. Where should we go first, Broadway? I've been dreaming of watching a musical there. ,F: It's the best to go there in the evening. How about going to Central Park first? ,M: OK. What's there to see? ,F: Lots of trees, walking paths, statues and areas for performances, you can relax in a wonderful nature, setting in the middle of a busy city. The Natural History Museum is located on its west side. ,M: Many famous people mentioned to Central Park in their books. It must be a place worth visiting. ,F: It certainly is. ,M: Where shall we go for dinner? A restaurant in Chinatown? ,F: We can go there next time. I have a classmate living in Harlem and he is very interested in Chinese culture and wants to see you. We'll have dinner there, if you don't mind. ,M: No, I don't, it will be nice to meet someone who loves Chinese culture. I want to learn more about Harlem, its food and music.
(A) F: Are we going to have lunch in Harlem now? (B) F: We're having dinner in Harlem tonight, aren't we? (C) F: Are we going to have dinner at this woman's house tonight? (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Ex Output:
B


Ex Input:
F: Have you played baseball before? My husband says that their team needs one more player. ,M: Not really. But I like ball games. So I believe it will be fun to learn baseball.
(A) F: Excuse me, could you repeat the question? (B) F: You should learn to play baseball. It is really fun. (C) F: Why do you want to learn baseball if you don't like ball games? (D) F: Yes. You should find a baseball player to play in your team.

Ex Output:

B