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: Oh, there is nothing better than an ice cold glass of ice water on a hot day. ,M: You know, cold water always gives me stomachaches. ,F: Really? I've never had that problem. I've been drinking ice water since I was little. ,M: When I was a small boy, my grandmother never let my mom give me anything other than warm water. ,F: Even in the summer? ,M: Yes, every once in a while my dad would take me to get some ice cream, but my grandmother was never happy about that. I think it was the sugar that she didn't like.
(A) F: Your grandmother tell you to drink only cold water on hot days? (B) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: Drinking warm water in summer sounds healthy, but I can't do it. (D) F: You only have something other than water in summer, like ice cream.

Output: C


Input: Consider Input: M: Nice to see you, Mary! Come in, please! ,F: Thank you Tom, but I am afraid not now. I've come only to return the book borrowed from you. ,M: Wonderful. I've been waiting for you a long time and longing to know what you think of it. ,F: It is very interesting and I've learned a lot from it. ,M: Well, so it is with me.
(A) F: I'm here to ask you for help. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: I'm here to invite you for dinner. (D) F: Now, here is the book to be returned.

Output: D


Input: Consider Input: M: Being away from home for college can be stressful. Besides all the pressures of study, there's the pressure on your pocket. Today, let's go to a university to find out. Excuse me. Can I ask you a few questions? ,F: Well, OK. ,M: How do you find the cost of living in the city? ,F: Everything is expensive, including clothing, housing and traveling. ,M: So what do you spend most on? ,F: Transport I think. For food, if I cook myself, it's not expensive at all. For clothing, I bring my clothes here from my home country where there nice and cheap. But every week I have to spend more than 100 pounds on the trains. ,M: Then what's the social life like? ,F: I'm a very social person. I love hanging out with my friends and meeting new people. Thankfully I don't drink nor smoke, so the only expenses maybe tickets to the cinemas, clubs and so on.
(A) M: Why do you spend most of your spare time traveling? (B) M: That's a pity. You are too busy to go to the cinema. (C) M: Oh, you like watching movies very much. So what kind of movies do you usually watch? (D) M: I’m sorry, I don’t understand. Could you say it again?


Output: C