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: What's your favorite subject, Lily? ,F: I used to like math, but now I feel it's so difficult for me. And physics, too. I fall in love with English.
(A) M: So English is your favorite subject, right? (B) M: Why didn't you like English now? (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: So Math is your favorite subject, right?
Example Output: A

Example Input: F: Sam, where's the closest ATM? ,M: It's not that far. Do you see that yellow building over there? It's next to it, on the right. ,F: Oh, I see. Do you know if there's a convenient store around here?
(A) M: Yes, I think the store is near the closest ATM at the back of the Yellow building. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Beside the closest ATM, but they are very far, on the right of that Yellow building. (D) M: No idea. You can go to the ATM first, which is on the left of that Yellow building.
Example Output: B

Example Input: F: Would you like to order now, sir? ,M: Yes, please. I like the steak and mushrooms. ,F: How would you like your steak? Rare, medium or well done? ,M: I'd like it medium, please.
(A) F: Sure. You have ordered a medium steak and mushrooms, right? (B) F: Sure. A well-done steak and mushrooms. Be right back. (C) F: I didn’t hear you. Please could you tell me again? (D) F: OK.  A medium steak and potatoes. Do you want some drinks?
Example Output:
A