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 should we bring to the picnic on Sunday? ,F: Tom and Mary usually take plenty of drinks and fruit, so let's bring some desserts instead.
(A) M: Fine. Let's bring some desserts to the picnic. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: Fine. Let's bring some drinks to the picnic. (D) M: Fine. Let's bring some desserts to the theater.
Example Output: A

Example Input: F: When will the school play start? ,M: At 7 o'clock, but please arrive by 6:45. ,F: All right. I won't be late.
(A) M: You will be late, because the school play will start at 6:45. (B) M: Although the school play will start at 7:00, you will be late since it is 6:55 now. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: The school play will start at 7:15, but we will be late.
Example Output: C

Example Input: F: We have already decided for a trip, are you announcing the news today or tomorrow? ,M: I'll do it at Monday's meeting, I'm sure students will be excited about it.
(A) F: But we're talking about what to debate on Monday, and I'm afraid students won't be excited about it. (B) F: So let's keep talking about when to announce the news. Students will not be excited about Monday's announcement. (C) F: But we are talking about who will attend the meeting, so students will not be excited about it. (D) F: I'm sorry, I don't understand. Could you say it again?
Example Output:
D