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: Was John nervous while facing the interviewers? ,M: I have never seen such a confident person. He even made some jokes.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: He is confident that he can do well in the exam. (C) F: Tom is outgoing. He always makes lots of new friends. (D) F: He is very confident in daily life I hope he can pass the interview.
Example Output: D

Example Input: F: Can I help you find something, sir? ,M: Yes, I need a strong lock for my bike. I am a photographer and I often have to leave my bike for long periods of time while I go take pictures. I'm hoping to spend less than $50 if possible.
(A) F: Why do you need a bike? (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: You mean your lock is broken. It needs repairing, right? (D) F: What kind of lock do you like?
Example Output: D

Example Input: M: Hello Helen, you look bad. Is everything OK? ,F: Yes, I'm fine, thanks. I'm just a bit tired this morning. That's all. ,M: Why is that? Did you stay up last night? ,F: Not at all, but I had this dream and it woke me up so I didn't get much sleep. I dreamt of walking through a forest at night. I couldn't see anything. ,M: That sounds frightening. ,F: In my dream, I saw white light behind some trees. It was a strange light because it seemed to get bigger and then smaller as if it was alive. At first I just stood where I was. But then the light seemed to move toward me and I could see something in it like the face of an old man. I tried to run away, but my feet felt very heavy, and I couldn't run fast enough. That's when I woke up I was shaking all over.
(A) M: Oh my god! I love the forest, too. (B) M: Oh my god! Your dream sounds happy and interesting. (C) M: Oh my god! Your dream sounds frightening. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
C