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.

Input: Consider Input: M: Lucy, I'm terribly sorry to hear your mother was seriously ill. ,F: Don't worry so much, grampa. She is much better now.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: Is she still terribly ill? Sad for her. (C) M: After my operation, your mother is better now. Don't worry. (D) M: Good to hear that your mother has turned much better.

Output: D


Input: Consider Input: M: How can I help you, Ma'am? ,F: I was hoping you could look at my car today. For the past few weeks, it has been making very strange noises. ,M: What kinds of noises? ,F: It sounds as if something is being damaged in the wheels. It only happens when I'm slowing down. ,M: Whoa. It sounds like you need new brakes. You'll have to leave the car with us until tomorrow. ,F: Gosh, I was thinking you'd be able to get it back to me this afternoon.
(A) M: I can try but I am not sure because your engine doesn't work. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: I will try my best. But first I need to check your brakes to see what happened. (D) M: Don't worry, your car works well except the wheels, I will replaced them at once.

Output: C


Input: Consider Input: M: Sophie, what was high school like in America? ,F: It was great. Lots of fun. I had lots of friends and I learned quite a bit at school. ,M: OK. What did you do in high school, any clubs or anything? ,F: Yeah, I'd rowed for the school. I played basketball and tennis with friends and I was on the swimming team.
(A) M: Sorry, Amy. I don't think so. The education in America is a little unreasonable. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: You will regret for not joining the tennis club in England. It's a very good choice. (D) M: Didn't you get bored when you didn't make friends in high school?


Output: B