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:
F: Look at the monkeys running around on the rocks. They are so lovely. ,M: Yes, their surrounding seems to suit them very well. Let's go over and see the panda now.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Before we go, do you know where is the toilet in this zoo? (C) F: Excuse, how much are these in total? (D) F: I can't find this museum's exit.

Ex Output:
B


Ex Input:
F: Sam, where's the closest ATM? ,M: It's not that far. Do you see that yellow building over there? It's next to it, on the right. ,F: Oh, I see. Do you know if there's a convenient store around here?
(A) M: Yes, I think the store is near the closest ATM at the back of the Yellow building. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Beside the closest ATM, but they are very far, on the right of that Yellow building. (D) M: No idea. You can go to the ATM first, which is on the left of that Yellow building.

Ex Output:
B


Ex Input:
F: Good morning, doctor Vincent. May I come in? ,M: Good morning, ma'am. Of course, how can I be of help? ,F: Well it's about school, doctor Vincent. It's just that Alan and I wanted to have a few people over for a dinner party to celebrate finishing my paper and we would particularly like to invite you since you're the chairman, would you please come this weekend on Saturday? ,M: I'd be glad to (?), Saturday, did you say? ,F: If that's alright for you and Mrs Vincents? ,M: I have to check with Elizabeth but I'm pretty sure it'll be alright.
(A) F: OK. You can come to the party tonight with another doctor, Elizabeth. (B) F: No problem. You should ask your wife Elizabeth to go travel together. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Of course. My close friend Elizabeth can come with you tonight.

Ex Output:

C