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.

Example 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?
Example Output: D

Example Input: M: Hello. This is the China Telephone Company. What can I do for you? ,F: Is this the Complaints Department? ,M: Yes, it is. ,F: I want to complain about the bill I received this month. I don't think I've made that many phone calls. Have their rates gone up? There must be a mistake in your billing.
(A) M: Why do you think the telephone bill was not accurate? How much is ti? (B) M: Yes, your telephone line was always busy. But you still got a low bill, that's strange. (C) M: Do you mean that the telephone call was not clear. As IT department, I'll help you to solve it. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output: A

Example Input: M: It was very nice of you to invite me. ,F: I'm very glad you could come, Doctor Wong. What would you like? ,M: This is my first time at a Chinese restaurant. Could you tell me the different features of Chinese food? ,F: Generally speaking, Beijing food is a bit oily. Shanghai food is rather light and Hunan dishes are very spicy.
(A) M: Haha, I've been here before, so I know that Beijing meals have a light taste. (B) M: You must like the light taste of Shanghai food, so I invite you here to try it. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: Oh, yes. Hunan meals have a light taste and Shanghai food is very spicy.
Example Output:
C