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: Did your teacher give a task for Monday? ,F: There is nothing to read in the textbook, but we have to see a movie and write a short report about it.
(A) M: Let's continue talking about the task. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: Now that your teacher didn't give you any task for Monday, why should we continue to talk about this task? (D) M: You need to write a long paper about the movie? That's terrible.

Ex Output:
A


Ex Input:
M: What a beautiful day! The birds are singing, and the sun is shining in the sky. ,F: Not so loud, I just woke up and I have a headache.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Come on! It is a beautiful morning. (C) M: Oh, it's raining in the afternoon. You should take an umbrella with you if you go outside. (D) M:  It is not the bedtime, why are you still sleeping in the evening? The sun has gone down.

Ex Output:
B


Ex Input:
F: Did you go to the theater last night? ,M: Yes, I did. ,F: What did you think of the play? ,M: It was excellent.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Do you mean the play you saw last night was boring? (C) F: I thought you went to watch the play last night, but I didn't expect you to go to shopping last night. (D) F: I envy you for watching the play last night.

Ex Output:

D