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.

Input: Consider Input: F: Now if there are no more questions, let's move on to the next part. ,M: Excuse me, professor, could we go over that last point once more?
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Ok, since you want to review the last point, I will tell it again. (C) F: Although you want to move on to the next part, we still have some questions. (D) F: If you want to ask more questions, go ahead. We won't move on to the next part yet.

Output: B


Input: Consider 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?

Output: A


Input: Consider Input: M: I'm going to the beach for some fun next week. Do you want to join me? ,F: Sorry, but I've already planned to go to Italy with my parents.
(A) M: Have a nice trip in Italy! (B) M: I'm glad you can go to the seaside with us. See you next week. (C) M: Excuse me, could you repeat the question? (D) M: Oh, you are going to see your parents in Italy next week.


Output: A