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: Nice to see you, Mary! Come in, please! ,F: Thank you Tom, but I am afraid not now. I've come only to return the book borrowed from you. ,M: Wonderful. I've been waiting for you a long time and longing to know what you think of it. ,F: It is very interesting and I've learned a lot from it. ,M: Well, so it is with me.
(A) F: I'm here to ask you for help. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: I'm here to invite you for dinner. (D) F: Now, here is the book to be returned.

Output: D


Input: Consider Input: M: Have you ever taken History 231? ,F: Yeah, last term. ,M: Who was the professor? ,F: Professor Johnson. ,M: I have him this semester. What do you think of him? ,F: He's a terrible instructor and demands a lot, but fortunately we can get high scores easily in his class. ,M: What did you get? ,F: I got an A, but none of my test scores were that high. So I don't know how I got such a good score. ,M: Really? I was about to give it up, but after hearing your experience, I think I will continue to stay in the class. ,F: You will get a better grade than your test scores. ,M: Thanks for the information. I feel relieved now.
(A) F: You are welcome. Wish you well in the new class. (B) F: You are welcome. Just go and have a talk with Professor David. (C) F: No worries, stay and you will get a good score. (D) F: I’m sorry, I don’t understand. Could you say it again?

Output: C


Input: Consider Input: M: Hello, Lisa. I'm phoning to invite you to our house warming party this Saturday evening. We know you're very busy but we'd love you to come. ,F: Yes, I'd love to. Well. I'll have a test next Monday and an article to hand in on Tuesday. Will the party go on very late?
(A) M: Oh, well. It's just a house-warming party, so it won't end very late. Just come for fun. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Not at all. This birthday party is on Wednesday, so you can join after all the stuff. (D) M: No. The house-warming party is on Sunday evening, so it's not good to go on very late.


Output: A