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 Jane, Jack asked me to have a talk with you. He is really sorry about that. ,F: I don't want to talk to him. ,M: Would you let me explain that to you, please? ,F: I'm not interested. He promised to meet me at the restaurant but he didn't show up. I don't want to see him again.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Don't be so nervous. Tom will show up on time. (C) M: Oh, you are so happy that he met you at the restaurant. (D) M: It's useless to be so angry. He is not sorry at all.

Ex Output:
A


Ex Input:
M: You only have an hour for lunch. ,F: Well, now I have only 45 minutes. ,M: That's not much time. Where should we go? How about Tornis Ettling Restaurant? Just across the street. I love the pizza. ,F: I love the food too, but they are really slow. Last week, I waited 30 minutes for my food. ,M: OK. Let's have a sushi at the David's. We can be in and out in 20 minutes. ,F: Today is the Thursday, David's is not open.
(A) M: Oh, yes. It is usually crowded on Thursday. (B) M: I didn’t hear you. Please could you tell me again? (C) M: Oh, yes. It is usually closed on Friday. (D) M: Yes, it is really far and crowded today.

Ex Output:
B


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: You want me to buy you a glass? But why didn't you practice singing last night? (B) F: Although you want to have dinner with me, we haven't bought glasses together. (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 you want me to lend you a glass, our glass is different.

Ex Output:

C