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:
F: Jerry, were you late yesterday? ,M: Yes. As I was leaving for work, my wife told me she had a fever. So I took her to the hospital. ,F: I'm sorry to hear that. Is she better now? ,M: Yes, a little. Thank you.
(A) F: So you had a fever yesterday. Your wife sent you to the hospital, right? (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Since you were ill in hospital yesterday, you shouldn't come to work today. (D) F: Although you were late for work yesterday, it doesn't matter because you had a fever yesterday.

Ex Output:
B


Ex Input:
M: Professor White, I'd like to have your advice on my article. ,F: It's good except for some spelling mistakes. What's more, the second paragraph is about another topic. It should be crossed out.
(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: People will have a bad first impression of you since your handwriting is so poor. (C) M: The level of a man's speech has nothing to do with his level of writing articles. (D) M: Thank you. I will take out the second paragraph that is not related to the article.

Ex Output:
D


Ex Input:
M: What is the result of the exam? I'm sure John has got the highest mark, because he's been studying hard this term. ,F: As a matter of fact, he didn't pass the exam this time. ,M: Really? I did not expect that. ,F: I didn't, either.
(A) M: He did worse than last time.He must be happy. (B) M: Come on,it's normal that he fails in the exam. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: Yes,because he never failed in the exam before.

Ex Output:

D