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: M: Why do you have an umbrella with you? It's not supposed to rain today, is it? ,F: No, but it's supposed to be very hot. I'll use this umbrella to protect myself from the sun as soon as these clouds go away. ,M: I've never heard of using an umbrella for protection from the sun. ,F: Did you know that the Chinese invented the umbrella, and that it's first use was for protection against the sun, not the rain? ,M: I had no idea, you must get sunburned easily, huh? ,F: Oh, absolutely. I always get super red if I haven't put on sun cream.
(A) M: Do you never put on sunscreen because you are not easy to get sunburn? (B) M: Since you are so easy to get sunburned, why don't you bring an umbrella? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: You don't even know the first use of umbrella. No wonder you don't have an umbrella.
Example Output: C

Example 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.
Example Output: D

Example Input: F: Good morning, sir. I'd like to ask you a few questions if I may. ,M: Well, I'm waiting to catch my flight. So I guess I can answer a few questions. ,F: Thank you, sir. First of all how often do you travel? ,M: I travel twice a month. ,F: Where are you flying to on this trip? ,M: I'm flying to Austin Texas. ,F: And where did you fly on your last trip? ,M: I flew to Portland Oregon. I've already been there 3 times. ,F: Really? Do you enjoy traveling for business? ,M: Yes, although I prefer staying in the office. ,F: What do you like most about traveling? ,M: I like visiting new cities and trying out new food. ,F: Thank you very much for your time today.
(A) M: No problem. I don't like staying in the office so I always travel once a month. (B) M: No problem. I love trying new things, so I like to travel. (C) M: You are welcome. I love trying new things, so I travel twice a year. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Example Output:
B