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: Would you like to come mountain climbing with us? ,M: That's the last thing in the world I ever want to do.
(A) F: Since you haven't travel around the world, why don't you travel to Japan with us? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Alright, since you don't want to go skiing with us, we'll leave you alone. (D) F: Well, since you don't want to go climbing the mountain, we'll go without you.

Output: D


Input: Consider Input: F: I notice an article in the newspaper about the problem of rapid growth of cities in America. I was wondering do you Americans carry out a birth control policy? Can Americans have as many children as they want? ,M: Yes, sir. We can have as many as we want, but most people decide to have only one or 2, and some people decide not to have any. ,F: Why do they decide not to have any? In the old days, we Chinese always wanted to have as many as possible. Some still do now.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: Well, most Americans also decide to have as many children as they can. (C) M: I have no idea. Most Americans decide not to have any children. (D) M: Well, with the birth control policy, most Americans only have one or two children.

Output: A


Input: Consider Input: M: Hello this is Simon Marshall. I spoke to you the other day about renting Flat 3A. ,F: Oh, yes, hello, Simon. What can I do for you? ,M: Well, I just want to ask a few practical details. Firstly, you mentioned a storeroom. Where exactly is that? Is it next to 3A, on the third floor? ,F: Well, the apartment's on the third, yes, but the storeroom's a little way away, just past the second door to the right. Under the stairs, in fact. ,M: But it's on the same floor, isn't it? ,F: Yes, it is. ,M: Fine. Is there hot water in the apartment? ,F: Oh, yes, it runs off the central heating. It's at a fixed 60 degrees. It used to be set at 55, but last year we were asked to increase it, so we did.
(A) M: Why is the hot water only 50 degrees? (B) M: Thank you. I know that the hot water is 60 degrees. (C) M: The hot water is 55 degrees, right? (D) M: I didn’t hear you. Please could you tell me again?


Output: B