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: I can't find my maths book in the drawer, has anyone taken it? ,F: It should be on your desk in the bedroom. I cleaned the drawer yesterday.
(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: So you mean my math book is probably on my desk, don't you? (C) M: As you said, my maths is book probably on my desk in the dining room, right? (D) M: Why do you say that my maths book is probably on my bed? You didn't clean the drawer yesterday.

Ex Output:
B


Ex Input:
M: You don't look very happy. What seems to be the problem? ,F: I've got to write a long composition for my English class and I just can't come up with any idea and it's due tomorrow.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: You can go to the teacher's office. You can ask the teacher to help you with your French composition. (C) M: You don't look well. Don't worry. You still have many days to prepare for a long composition. (D) M: Maybe, Lily can help you with your long composition in French which is due to tomorrow.

Ex Output:
A


Ex Input:
F: I feel very sad. ,M: Why? What's wrong? ,F: I failed my English test. ,M: I am sorry to hear that. You worked really hard.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: It is OK. Actually, I cheated in the English test. (C) F: It is OK. I didn't work hard for the English test. (D) F: That's OK. I didn't pass the English test because I didn't work hard.

Ex Output:

A


