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: What time is it, Steven? ,M: Uh, it's 7:30. Aren't you going to finish your breakfast? ,F: I don't have much time. I've got a lot to do downtown today. ,M: If you're coming into the city, we may have lunch together.
(A) F: Well, we are living in the center of the city, so since today we are going to the countryside, I think it will take a long time to go there. (B) F: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) F: That's awesome, but you know we are living out of the city, so perhaps I'll be late for a few minutes fot the aerobics class. (D) F: That's great, but you know we are living out of the city, so perhaps I'll be late for a few minutes.

Ex Output:
D

Ex Input:
F: How about going for a bike ride? ,M: Sure. Where? ,F: Let's call Harry. He can tell us the best place to go.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: Yes. We should ask Harry if he knows the best place to ride. (C) M: Yes. We should borrow a bike from Harry. (D) M: Yes. We should ask Harry if he knows the best place to hold a party.

Ex Output:
B

Ex Input:
F: Have a look at these brochures! Have you ever thought of visiting North Africa? ,M: Well, I've traveled to Morocco on business twice and I'd really like to go there again on holiday. ,F: Great. There is a flight on April twenty fifth and... ,M: Flight? Forget it! My wife is afraid of flying. ,F: Oh, in that case how about traveling by ship? ,M: Sorry I get sea sick when I travel by ship. ,F: Then North Africa is out of the question. ,M: I guess so. What else can you suggest? ,F: What about a coach tour around Europe? It includes different countries and it's quite cheap. ,M: OK, that's probably the best idea.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Great! Enjoy your travel by coach. (C) F: You're right. I'm glad that you travel by ship. You are lucky to not get sea sick. (D) F: Great! Enjoy your travel to Africa by coach.

Ex Output:
B