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: Researchers in America did some experiments to try to figure out why some people gain weight more than others do. ,F: Yeah, some people can eat whatever they want and they never seem to gain a pound. ,M: In this study, volunteers were given 1000 extra calories a day. About 2 pieces of cheese's worth of extra intake. ,F: This kind of study I'd like to be in.
(A) M: You prefer excise and you don't want to take 1200 extra calories so you don't like this experiment. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Because you want to lose weight and you don't want the extra 1200 calories but you still want to join the experiment. (D) M: Because you enjoy the food.

Output: D


Input: Consider Input: M: Hi, Maria, what are you up to? ,F: I'm just trying to plan my trip to Southeast Asia. ,M: Where are you planning to go? ,F: Well, I'm going to start by flying to Hong Kong. I have a friend there, who I haven't seen for a long time. Then I'll fly to Vietnam and take a bus down to Ho Chi Minh City. ,M: And then where will you go? ,F: Well, from there, I'll take the boat up River to Seam Reap, and see the famous temples. From there, I'll fly to Bangkok and try to get to the Chatuchak Market. I hear it's really great for shopping.
(A) M: Wow, I always think that taking boat up river to Seam Ream is quite romantic. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: So, you'll go to the airport after you visit the famous ample, then fly to Seam Reap. (D) M: Why you chose boat to Hong Kong? There are many other ways to go there.

Output: A


Input: Consider Input: F: Oh no, not again! This happens every day. ,M: What's wrong? ,F: Look at the mess, Jim. You have your supper and never do the washing up afterwards. ,M: I don't do the washing up. But I wash the car every week. ,F: I don't care about that. You never help me with the housework. ,M: That's not true, darling. I prepare your meals, right? ,F: Oh, so what? The kitchen's always a mess afterwards. You cook meals, and I do the rest everyday. ,M: Calm down. OK. I will do everything in our house from next weekend.
(A) F: I' ll keep watching you Helen! You have to clean the kitchen after cooking. (B) F: Bob, you' re so nice that you do all the housework from next weekend. (C) F: Babe, thank you for doing all the housework from next weekend. (D) F: I’m sorry, I don’t understand. Could you say it again?


Output: C