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: Hi, would you like some help? ,F: Well, I'm looking for something I saw at a friend's house a few days ago. It's a Chinese style wooden chair. ,M: You're in the right store. In the past, they were $65 each. But we have a special price now. And the new ones are $5 cheaper.
(A) F: $60 for 2 chairs? That's cheap. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: So I need to pay $65 for a chair, right? (D) F: So I need to pay $70 for a chair, right?

Ex Output:
B

Ex Input:
M: So what kind of job did you find for this summer? ,F: I'm working for a marketing company. I'm doing telephone marketing. ,M: Oh, so you are one of those people who drive me crazy by calling me up in trying to persuade me to buy something that I have no need for. Do you like it? ,F: Believe it or not, I do. There are a lot of students working there and we have a lot of fun when we're not making calls. It's really easy since we just have to read from a text.
(A) M: Sales on mobile phones make it easy for me to buy things. (B) M: Why are you annoyed with your job? (C) M: I really hate sales promotion. It makes me annoying. (D) M: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:
C

Ex Input:
F: Peter, hi, how are you? I haven't seen you for ages. ,M: Hello, Marry. Wow, it must be at least 5 years. What are you doing here? ,F: I came for a meeting. Business trip, you know. Anyway, how are you? ,M: I'm good, thanks. I still work in a school. What about you? ,F: I have a new job now. So I have to travel a lot. ,M: What do you do? ,F: I work for a travel agency. Working in a restaurant was just too boring.
(A) M: You work in a school just like I do? What subject do you teach. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: I agree. You are competent enough to work in a travel agency. (D) M: Glad to know that your new job in the travel agency doesn't require a lot of traveling.

Ex Output:
C