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: F: Is that you, Tom? Long time no see. What have you been doing all these years? ,M: Hi Lucy. I haven't seen you in a million years. I actually worked abroad for a few months and I've just returned from Canada. How are things with you? ,F: Everything is fine except that we have been missing you. ,M: We really need to get together sometime.
(A) F: How many years have you worked abroad? (B) F: Definitely! Let's make an appointment. (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: Definitely! Let's make an appointment after I return from Canada.

Output: B


Input: Consider Input: M: Could you please turn down the CD a little, Julia? Our son is sleeping. ,F: Sorry, dear. I didn't know.
(A) M: It's OK, my dear daughter, now you need to finish your homework. (B) M: It doesn't matter honey. Our sleeping son is so cute,right? (C) M: Don't worry, our son is listening the pop music. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Output: B


Input: Consider Input: M: Excuse me, could you tell me where the nearest post office is? ,F: Yes, walk down this road and then turn left when you get to the third crossing. You will see it not far ahead of you. ,M: Thank you. Could you give me more information? ,F: Of course. When you turn left, you will see a five-star hotel with a tea shop on the left. The post office is just next to it. It's a three-storey building. ,M: How long will it take to get there if I walk? ,F: About 30 minutes? ,M: Oh, that's too long. ,F: Uh, well, you can take bus 232 or get a taxi there. ,M: I think getting a taxi might be better. Thanks a lot. ,F: You are welcome.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You're so mean to a stranger. (C) M: Thanks, my friend. You're so kind. (D) M: You're so kind to a stranger.


Output: D