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.

Ex Input:
M: Ma'am! You forgot your phone. ,F: Oh, thanks. I couldn't live without this little thing. ,M: I know what you mean. It is of great significance to you. So, did you enjoy your dinner?
(A) F: Oh, yes. It's strange. I never forget my phone anywhere. (B) F: Oh, yes, I want to thank you again. The phone is extremely important to me. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: Oh, yes. I really enjoy the service with my phone.

Ex Output:
B


Ex Input:
M: Did you see that new play at the Odeon Theater? ,F: I saw about half of it. It was so boring and strange. I got up and left. ,M: If I didn't know better, I'd say we saw different plays.
(A) F: Why did you disagree with me and think the new play was interesting? (B) F: You also think that the new play was boring, right? (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: So you think the old play was interesting but not the new one, right?

Ex Output:
A


Ex Input:
M: Now open your mouth wider. ,F: Ah. ,M: Oh, good girl. Well, I can see what's happening. There is a hole in your tooth.
(A) F: Thank you for fixing my tooth hole, dentist. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Help! My purse is missing, sir. (D) F: Are you sure that there is a hole in my dog's tooth?

Ex Output:

B