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: It's wonderful after the rain. The Sky is clear and the air is so fresh. ,F: You bet. Let's go for a walk outside on this fine day.
(A) M: Definitely, let's go out and enjoy the sunshine now. (B) M: It's been sunny for days. I feel really hot. (C) M: It's cloudy. I'd rather stay at home. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
A


Ex Input:
M: You know, my car hasn't been the same since I bumped into that telephone box. ,F: You'd better have that looked into before you drive to Florida.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You are right, I should probably buy a new car. (C) M: I agree with you. I really need to make some time to get my car checked. (D) M: I agree. You really should get your car checked.

Ex Output:
C


Ex Input:
F: Hi, Tim. Did you have a good holiday? ,M: Wonderful. Thanks. I'm at lots of my friends on the beach and we swam every day. How about you?
(A) F: I had a lovely holiday, too. I guess you had a happy time by the sea. (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: I had a lovely holiday, too. I went to the same mountains, where you spent your holiday. (D) F: I had a lovely holiday. I guess you didn't have a happy time by the sea.

Ex Output:

A