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: F: The food looks really delicious. ,M: Sure it is, the wedding ceremony is wonderful, too. ,F: The bride looks so happy today. Are you a friend of Catherine's? ,M: Yes, we were in the same class at college. How about you? ,F: I'm a close friend of David's. How handsome he is in wedding clothes today. Well, may I have your name please? ,M: Jackson. I'm working in Chengdu, but I worked in Wuhan a year ago, and you? ,F: My name is Janet. I'm living in Mianyang. Ah, life in Chengdu, is it exciting?
(A) M: I've been working in Wuhan all the time. (B) M: Before working in Chengdu, I lived and worked in Mianyang. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: I've just moved in Chengdu this year.

Output: D


Input: Consider Input: F: Thank you for calling target.com. My name is Angela, and I'd be happy to assist you today. What is the name on the account? ,M: Mark Sanchez. ,F: Thank you, Mr Sanchez. What's your email address? ,M: It's mark889@gmail.com. ,F: Thank you, how may I help you today? ,M: I ordered some gifts from your website last week, but they haven't arrived yet. They were supposed to be here 2 days ago. ,F: I'm sorry to hear that sir, do you have the order number? ,M: Yes, it's 855321. ,F: One moment, please, alright sir, I think I've discovered what's going on. A couple of items in your order were damaged during transport. We are in the process of shipping your new items, but it could take up to 10 days for you to receive them.
(A) M: I am so excited! You mean it would be delivered this afternoon? (B) M: Why? I don' t understand at all! Helen! Please give me an explanation! (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: I was about to cry! I' m so frustrated! How can you lose my things?

Output: C


Input: Consider Input: F: Dad, I just finished my paper. Can you help me check it before I handed in? ,M: Sure, let's take a look. Sweetie, this is really good. Your ideas are so original.
(A) F: Thanks. So you think my exam grade is very good. (B) F: Thanks. So you think my paper is very good. (C) F: Thanks. So you think my paper is very bad. (D) F: I didn’t hear you. Please could you tell me again?


Output: B