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: Excuse me, I asked for this salad without cheese on it, but this one is covered in it. ,F: I'm sorry, sir. I'll take it back and bring you out a new one. Can I get anything else for you? ,M: Just another soda, please. Thank you.
(A) F: You are welcome, I'm bringing you the salad right now. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Ok, I will take away your soda. (D) F: Please wait a moment and I will bring you some cheese.
Example Output: A

Example Input: F: Is that you, Tom? Long time no see. What have you been doing all these years? ,M: Hi Lucy. I haven't seen you in a million years. I actually worked abroad for a few months and I've just returned from Canada. How are things with you? ,F: Everything is fine except that we have been missing you. ,M: We really need to get together sometime.
(A) F: How many years have you worked abroad? (B) F: Definitely! Let's make an appointment. (C) F: I'm sorry, I don't understand. Could you say it again? (D) F: Definitely! Let's make an appointment after I return from Canada.
Example Output: B

Example Input: M: Hey, Susie. Can I borrow your car tonight? ,F: No. The last time you borrowed it, you returned it with the gas tank empty. ,M: Did I? I'm sorry, baby. I promise to fill the tank this time. ,F: What do you need it for? ,M: I want to take my mom out to dinner. ,F: And I'm not invited? ,M: You can come if you want. I thought you probably had plans with your friends. ,F: I do. But I'd rather go with you. Don't you think it's time for me to meet your mother?
(A) M: Excuse me, could you repeat the question? (B) M: OK. Since we have been roommates for a while, you should meet my dad. (C) M: You are right. We should meet our dad together, my dear sister. (D) M: Of course, my darling. We are going to get married, you need meet my dad.
Example Output:
A