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: Have you decided whether to rent a room off campus next semester or still stay in the dormitory? ,F: We're still talking about that. Lissy's mom wants her to stay at home. ,M: You always hesitate in making decisions.
(A) F: Yes, although I am living in the dormitory this semester, I still can't decide where to live next semester. (B) F: Excuse me, could you repeat the question? (C) F: Why do you say that? Since I am living in the dormitory this semester, I have decided to live in the dormitory next semester. (D) F: Although I live at home this semester, I may not be able to next semester because Lissy's mother doesn't want her to live at home.
Example Output: A

Example Input: M: A cup of coffee sounds good, doesn't it? ,F: Yes, but I think I'll have orange juice first. ,M: Do you feel like having anything to eat? ,F: Well, I think I'll try the pancakes.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: No problem if you want to have orange juice first. I'll order strawberry cake for you later. (C) M: All right, I'll order orange juice for you first. (D) M: You want to have some lemonade first, right?
Example Output: C

Example Input: F: Would you like to stop for a rest now? ,M: Let's keep going. We're almost to the top of the hill.
(A) F: Excuse me, could you repeat the question? (B) F: I want to keep something, not climbing. (C) F: Are you climbing the mountain? Why not watch TV at home like I do. Climbing is tiring. (D) F: OK. We are now climbing almost at the top of this hill.
Example Output:
D