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: Hello, could I speak to Selina, please? ,F: Speaking. Is that you, Tom? What's wrong with your voice? I hardly recognize your voice. ,M: I practice singing last night. I guess I practiced too hard. You know, it lasted from 7:00 to 9:00 last night. ,F: You must have hurt your voice. So what can I do for you? ,M: Well, Bob and his girlfriend have returned from China. Jenny and I invited them to come over and have dinner with us tonight. I've just opened the box of glasses and there is one missing. Then I remembered my son broke one about 2 months ago. I remember we bought the glasses together and you bought the same set of glasses. So can I borrow a glass from you?
(A) F: Although Jenny is your neighbor, we didn't go to buy glasses together, did you? (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Although Jenny is your friend, why did you buy the glasses together? (D) F: I didn't even know Jenny was your wife.

Ex Output:
D


Ex Input:
F: How is there only one more week of summer vacation before we have school again? I haven't even been to the beach yet. Can we go tomorrow? ,M: I'd love to but I promise to Sadie I'd go to the movies with her.
(A) F: OK, Let's meet at the bus stop at eight tomorrow and go to school together. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: You can shopping in the cinema and then see the movie in the restaurant. (D) F: Which movie are you going to watch?

Ex Output:
D


Ex Input:
M: Pam, where is the closest ATM? ,F: Do you see that yellow building over there? ,M: Yes. ,F: It's right next to it on the right. ,M: Do you know if there's a convenience store around here? ,F: I don't think there's one around here, the closest one is on third street. But that's probably close now. ,M: I really need to get some things before I leave. ,F: Well. You could go down to twenty second street. There are lots of stores down there that are open 24 hours a day.
(A) M: Since those stores are on 3rd street, I think I'd better not go there because I don't really need anything. (B) M: Alright, I think I'm going to 22nd street and buy the books for Jim because he is very busy. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: Well, I'll go 24th street right now to buy those things my mother needs, see you later.

Ex Output:

C