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: Hello, I'd like to reserve a table for 6:00 tonight. ,F: Is there any place you would prefer to sit in? We do have a smoking section. ,M: Oh, would it be possible to reserve a table next to the window?
(A) F: Two men are arguing in the smoking section over there. I'd like join them. (B) F: I didn't hear you. Please could you tell me again? (C) F: You sat too far from the window to see that there was an accident outside. (D) F: Sorry, all the tables near the window are booked up.

Ex Output:
D

Ex Input:
M: Did you all have a good time on your visit to Paris? ,F: Yes, but we all missed Bob.
(A) M: Why did you miss Bob? (B) M: I didn't hear you. Please could you tell me again? (C) M: I didn't realize you missed traveling instead of Bob. (D) M: Since Bob didn't travel with you, why didn't you miss him?

Ex Output:
A