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.

Input: Consider Input: M: And so tired! I've been up late studying for the math exam for the last 2 nights. ,F: I have, too. But I'm so nervous that I can't fall asleep at night. ,M: Maybe you can drink a glass of milk and take a bath before going to bed.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Yes, it is a best way to relax. (C) F: How about your study report? (D) F: Since we have taken too mu time on Chinese exam, I think we should have a good rest.

Output: B


Input: Consider Input: F: How dangerous it was and how lucky the girl was. ,M: Yes, but for the passerbys quick action the girl would have been run over by the car.
(A) F: Yes, there was traffic accident. How bad luck the girl has. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: The girl is badly ill. (D) F: I hate that thief.

Output: B


Input: Consider Input: F: Jimmy, I called you yesterday, but you didn't pick up. ,M: I'm sorry Amy, I came home very late yesterday evening because Jennie and Bill invited me for a picnic. ,F: Oh, how lovely, did you enjoy yourself? ,M: Yes, I had a great time. ,F: When did you go to have the picnic? ,M: Jenny and Bill came in their car at about 9:00 o'clock in the morning and we left soon afterwards. ,F: And where did you go for the picnic? ,M: We went to Beihai Park. ,F: Oh, it's lovely in Beihai Park at this time of year. ,M: Yes, it was sunny and there were lots of people, we had lunch near the river. Then, after lunch. We went for a walk along the river and looked at the beautiful view there. ,F: What did you do then? ,M: We had a drink in a bar there and made some friends, we played cards and laughed, then we started to drive home. It took us a long time to arrive home because there was a lot of traffic on the road. ,F: Well, that was a lovely day. ,M: That's right. So why did you call me? ,F: Oh, I wanted to give your book back, so are you free now?
(A) M: I'm sorry that I didn't lend my bike to you, because I didn't receive your message last week. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: Thank you for remembering to give my book back. I almost forget I have lended you a book. (D) M: I'm sorry I didn't have some coffee with you. I was sick and stayed at home yesterday.


Output: C