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: Good morning Can I help you? ,M: Yes, I need some directions. ,F: Sure. What are you looking for? ,M: Well, first of all I'm looking for the Hard Rock Cafe. How far is it from here? Need I take a taxi? ,F: Oh, it's just about 5 minutes walk from here. Just walk out of the hotel and turn right. It's right across from the National Bank.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M:  OK. Since the Starbucks Coffee is close to the bank, I will go there by bike. (C) M:  Thanks. It seems that the cafe is far from the hotel, I will take a taxi to go there. (D) M:  OK, I see. I will walk out the hotel and turn right to find the Hard Rock Cafe.

Ex Output:
D


Ex Input:
F: Tom, please go to the door. I hear the Bell. ,M: It's the mailman mother. Here's a letter from uncle George. ,F: Give it to me. How wonderful! He is coming to visit us. ,M: And when's he coming? ,F: He's coming by car on the twenty-fourth. He staying from the twenty-fourth to the twenty-sixth. ,M: And let me look at the calendar. And good, and the twenty-fourth is a Saturday, is he coming alone? ,F: No, he's coming with aunt Cynthia and the girls. ,M: Uh, mother, I don't remember the girls. How old are they? ,F: Your cousin, Fe is 15. Rosemary is older than Fe, she 17.
(A) M: Oh, yeah, I forgot that Fay is two years younger than Rosemary. (B) M: Actually.I am older than Fay but younger than my sister Rosemary. (C) M: Yeah, my sister Fay is two years younger than Rosemary. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
A


Ex Input:
M: Hey Tina, how's the Spanish course going? ,F: Tough, our teacher is using a lot of authentic material. You know, stuff, off the radio and TV. He even tapes conversations with his friends and uses them in class.
(A) M: Good to know that you find Spanish courses easy. Keep learning. (B) M: Yeah, I understand why you feel Spanish courses are difficult. I also feel the same when I learn a foreign language. (C) M: So you think the course is neither too difficult nor too easy. Then, do you find it interesting? (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Ex Output:

B