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: Was that the telephone ringing? ,F: I didn't hear anything. ,M: I thought I heard it ring 2 or 3 times. ,F: Sometimes when the windows are open, you can hear the neighbor's phone. ,M: Well, I'm expecting an important phone call and I don't want to miss it.
(A) F: Relax. You're so nervous. You already missed the important phone call. Maybe you should call them back. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: Relax. You're so calm. You should be nervous in case you miss the important phone call. (D) F: Relax. You're so nervous. You should be more calm to wait for the important phone call.

Ex Output:
D


Ex Input:
M: Universal Travel Agency, may I help you? ,F: Yes, my husband and I want to take a vacation to an island somewhere. Do you have any places to recommend? ,M: Certainly, off the top of my head. I would suggest the island of Bali. ,F: Why Bali? ,M: At this time of year. Most places have a lot of rain, but it is the dry season in Bali. There are also many excellent restaurants and hotels to choose from, plus, Bali is known for its surfing and diving, and I must say that the shopping is absolutely great.
(A) F: I'm glad that the island of Bali is known for its good weather, because my parents and I don't like rainy days when we are traveling. (B) F: That's great, Bali is known for its surfing and diving, my friends will love it. (C) F: Excuse me, could you repeat the question? (D) F: Awesome! my parents and I both like shopping, that's a really good news that Bali is famous for the shopping centers.

Ex Output:
C


Ex Input:
M: What were you doing when I called you last night? ,F: I was watching a TV program, it was about how people use horses for various purposes.
(A) M: Oh, you were watching a TV program about sports. Was it fun? (B) M: Oh, you were watching a TV program about horses. Did you like it? (C) M: I didn’t hear you. Please could you tell me again? (D) M: So you were hearing a radio program about entertainment, right?

Ex Output:

B