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: Good afternoon, madam. How can I help you? ,F: Well, I am a little bit out of shape. I think I should get some exercise to keep fit. What kind of service do you offer? ,M: First of all, we'll work out a plan according to your physical conditions and your personal needs. ,F: How can you get that done? ,M: Well, we give each of our customers a qualified personal trainer. The trainer will give you a fitness assessment and then come up with a plan. ,F: What else?
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: No worry. We have no trainer here, so I'll come up with a plan for you. (C) M: You'll get a plan from your trainer. Then we give you a fitness assessment. (D) M: Nothing else. A qualified trainer will take full charge of making your plan.
Example Output: D

Example 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?
Example Output: B

Example Input: F: Have we done everything on the list? ,M: We haven't booked our hotel room yet. But I'll do that by telephone tonight. ,F: We were going to look for another chair for the living room, but I'm too tired to think about that now. Let's have lunch. ,M: What time is it? It's only 12:30. I told Howard we'd meet him a little before 1:00. ,F: Oh, I've forgotten about Howard. Do we have to have lunch with him? ,M: You said you wouldn't mind. He won't be in town more than a day or 2. And I want him to meet you. Besides, I think you'll like him. ,F: Well, it's just that I'm too tired to do much talking after all that walking around town. ,M: Don't worry. There was no problem talking with Howard. He always has plenty to say.
(A) F: Yeah, I remember. Though Howard rarely opens his mouth, what he says is funny. (B) F: I agree. It's 1:00. We can ask Howard to help us book the room after we have lunch. (C) F: Excuse me, could you repeat the question? (D) F: Then let's go and meet Howard before he leaves the town. He is a nice friend, I know.
Example Output:
D