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: So what do you want to do tomorrow? ,F: Well, let's look at this city guide here. Huh, here's something interesting. Why don't we first visit the Art Museum in the morning? ,M: OK. I like that idea. And where do you want to eat lunch?
(A) F: I don't know. Since we don't have a city guide, let's go to the park tomorrow morning. (B) F: I'm looking forward to going to the art museum tomorrow. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: Although we don't have a city guide, it's a good plan to go to the art museum tomorrow morning.

Output: B


Input: Consider Input: F: You seem to have caught a cold. ,M: I see. Should I have an injection or take some medicine? ,F: Neither. But you'd better drink more water every day. It will do you good.
(A) M: Excuse me, could you repeat the question? (B) M: Yeah. I should take some medicine. (C) M: Yeah. I should drink more water and go to the hospital then. (D) M: Yeah. I should drink more water.

Output: D


Input: Consider Input: F: I got something really special in the mail today. It's about classes to help you set up your own Internet business. Doesn't that sound fun? ,M: Oh, gosh! I don't know, just how much are these classes? ,F: $500 for 5 classes. But they guarantee that you'll have your business set up on a website before your done.
(A) M: So the classes will last 5 weeks with $1000, right? (B) M: Do you mean the classes are about online bussiness? I got it. (C) M: Excuse me, could you repeat the question? (D) M: Although they are about online bussiness, $1000 for 5 classes is expensive.


Output: B