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: Michael, what time is it? We are going to be late for the party. ,M: It's a quarter past six. Don't worry, Rebecca. We will be fine. ,F: But we have to be at Sarah's house by 6:30 for her surprise birthday party. The traffic is getting heavier.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: We have to be at Sarah's house by 6:00 for her baby' s birthday party. (C) M: Oh my god. You' re right! Let' s go to celebrate Sarah's birthday! (D) M: The traffic is getting lighter, we will not be late for Rebecca' s party.

Ex Output:
C


Ex Input:
F: What did you just put in the basket? ,M: Some peanut butter. ,F: That is not a jar of peanut butter. ,M: Ok, fine, they're peanut butter cookies. ,F: You know, we don't keep cookies in the house. ,M: Mom, please.
(A) F: You want to eat peanut butter, don't you, but we have had cookies in the house. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: So, You want to eat cookies but you put peanut butter in the basket, right? (D) F: Why do you want to eat cookies?

Ex Output:
D


Ex Input:
F: How is your mother feeling these days? ,M: Much better, thanks Miss Wang, the operation went smoothly and the doctors says she'll recover in no time and she'll probably come home at the weekend. ,F: That's wonderful, when will you come back to class? ,M: I still need a week to take care of her and do some cleaning for her coming home. ,F: OK, take care of your mother and yourself, the whole class are expecting you.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: Thank you, Miss Wang. I will be back after doing some cleaning at the hospital. (C) M: Thank you, Miss Wang. I will be back after my operation, so I still need a week. (D) M: Thank you, Miss Wang. I still need a month to look after my mother at the hospital.

Ex Output:

A