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: F: Your school bag is really cool. Where did you get it? ,M: My aunt sent it from Australia for Christmas.
(A) F: I see, your favorite holiday is Christmas, your uncle bought you a bag for Christmas, right? (B) F: Your aunt sent the school bag to you from Australia. It's so cool! (C) F: It's nice of your aunt to send you a bag from England. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: B

Example Input: F: Jerry, were you late yesterday? ,M: Yes. As I was leaving for work, my wife told me she had a fever. So I took her to the hospital. ,F: I'm sorry to hear that. Is she better now? ,M: Yes, a little. Thank you.
(A) F: So you had a fever yesterday. Your wife sent you to the hospital, right? (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Since you were ill in hospital yesterday, you shouldn't come to work today. (D) F: Although you were late for work yesterday, it doesn't matter because you had a fever yesterday.
Example Output: B

Example Input: M: I already know what I want to take next semester. So why do I have to make an appointment to see my advisor? All I need is her signature on my course schedule. ,F: I'm afraid it doesn't work that way. She has to talk with you to make sure everything is on the right track.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: All right. I'll take your advice and I won't meet my advisor. (C) M: Great! I'm so glad that I don't need to meet my advisor. I'll adjust my course schedule. (D) M: All right. I'll meet my advisor.
Example Output:
D