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, computer consultants. ,F: Hello, I'm interested in the Nova computer. ,M: The basic model or the basic plus? ,F: Which one is more suitable for a small restaurant? ,M: Well, it depends on what you really need. Both of them have the latest and greatest hardware. ,F: Well, we do need a wide range of software. ,M: Then I think you should consider the basic plus.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Please give me more information about the basics plus model. (C) F: I don't need computer, but you're welcome to our restaurant. (D) F: I'm not interested in Nova, but I want to buy a Supernova one.

Ex Output:
B

Ex Input:
M: I'm really surprised you got an A on the test. You didn't seem to have done much reading. ,F: Now you know why I never missed the lectures.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: Wow! You have reviewed all the notes? No wonder why you got an A on the test. (C) M: So you mean that you have attended every lecture and it helped you get an A on the test? (D) M: So you mean that you have attended every lecture but it didn't help you to improve your grades?

Ex Output:
C

Ex Input:
F: Can I help you? ,M: Yes, so when is the next train to New York City? ,F: Let me see, the train to New York City. Here it is, daily except Sunday, at 10:30, 12:20 and 3:10. ,M: Are there any trains before 10:30? ,F: Sorry, not before 10:30. ,M: Then went to New York at 10:30.
(A) F: The 15:10 train to New York is booked for you. (B) F: Excuse me, could you repeat the question? (C) F: You want to take the 12:20 train? No problem. (D) F: 10:30 train to New York. That's confirmed.

Ex Output:
D