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: F: Your school bag is really cool. Where did you get it? ,M: My aunt sent it from Australia for Christmas.
(A) F: I see, your favorite holiday is Christmas, your uncle bought you a bag for Christmas, right? (B) F: Your aunt sent the school bag to you from Australia. It's so cool! (C) F: It's nice of your aunt to send you a bag from England. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: B

Example Input: F: I like the pink dress? What do you think of it? ,M: It is so beautiful, but the green one suits you more.
(A) F: Why do you think the green dress suits me more? (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Yes, you have a good tastes. The blue shirt suits me very well. (D) F: Why do you think the green skirt suits me more?
Example Output: A

Example Input: F: Hi, Michael. It's Sylvie, in Brussels. Are you getting ready for the conference next month? How are you going to San Francisco? Are you flying direct from Dublin? ,M: Um...well, probably have to change in, either in London or in Amsterdam? What about you? ,F: Well, I still need to book my flight from Amsterdam. So shall we catch the same flight? ,M: Yeah, that makes sense. So I need to book a flight to Amsterdam then.Shall I look into flights to San Francisco as well? ,F: Hum...Yeah, if that's OK. ,M: Yeah, no problem. I'll look on the Internet before lunch. What about booking a hotel? ,F: Well, shall I contact the San Francisco office to see if they know any good places? I can get in touch with Rita. ,M: Yeah, good idea. ,F: I'll give her a call this afternoon. ,M: Excellent.
(A) F: Really? You don't agree me to give her a call this afternoon? Well, I will call you back this afternoon. (B) F: Okay. I will call Rita this afternoon and you will look on the Internet before dinner, right? (C) F: Okay. I will call Rita this afternoon and you will look on the Internet before lunch, right? (D) F: I'm sorry, I don't understand. Could you say it again?
Example Output:
C