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: Do you like to go to the zoo on Sunday? ,F: Yes, I like to go to the zoo. But not on Sundays, because it's always so crowded. How about going on a Friday or Saturday?
(A) M: So you don't like going to the zoo on Sundays, do you? (B) M: So you don't like to go to the zoo on Fridays because it's crowded, right? (C) M: So you don't like going to the zoo on Sundays and Saturdays, do you? (D) M: I didn’t hear you. Please could you tell me again?

Ex Output:
A


Ex Input:
M: I need to take some medicine. I think I got a cold. ,F: Well, you might want to drink some water first. I haven't seen you have anything to drink all day even while we were having lunch.
(A) M: You are right, I  should eat all this food first. (B) M: I only like apple juice, warm water is not suitable for me. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: I won't take any medicine because it dose no good for my cold.

Ex Output:
C


Ex Input:
M: Hello Madam, what can I do for you? ,F: I'd like some of the yellow apples you have in the front window. 2 kilos of those please. ,M: OK, I see. You have a good eye for fruit. They are the best value only $2.40 for 2 kilos. Would you like anything else? ,F: Yes, please. I also need a kilo of grapes. Do you have any grapes? ,M: These local green grapes here are only $5 a kilo and the seedless black grapes are $4. 00. ,F: I'll have one kilo of seedless grapes, please. Now let me think. There was something else I need to get, but what was it? ,M: Bananas? Peaches? ,F: No. ,M: Melons? ,F: Oh, yes. Watermelons. That's what I want. ,M: They're right behind you and they are $2 a kilo. ,F: OK. Let me have this big one right here. ,M: I'll just weigh it for you, Madam. 3 kilos. Is that large enough for you? ,F: Yes. I think I've got everything I need now. Here is the money.
(A) M: Okay, here are your green apples, grapes and bananas. (B) M: Madam, these are your green apples, peaches and a watermelon. (C) M: Excuse me, could you repeat the question? (D) M: You have green apples, grapes and a watermelon. Here you are!

Ex Output:

C