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: Hello, Mr.Smith. This is Janet Bush. ,M: Hello, Miss Bush. ,F: I'm afraid I'm going to be late for our appointment. My friend was supposed to pick me up from the airport, but she just called me and said she is stuck in traffic downtown so she won't be here right now. It's 11 now, so there is no way I'm going to the restaurant at 11:30 as we planned. I wonder if we could reschedule our appointment to sometime this afternoon
(A) M: Yes, we had planned to meet at 11:30 a.m. Since you can't make it, let's reschedule our appointment at 1:00 pm. (B) M: Have you forgot it? We had planned to meet at about 11 a.m. Since you can't make it, let's reschedule our appointment at 1:00 pm. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: OK, let's postpone our meeting for half an hour. Can we meet at 2 p.m?
Example Output: A

Example Input: M: Mom, I'm telling you that global warming isn't real. I read a news article about it. ,F: Boy, you'll believe anything you read, won't you? ,M: Come on. Do you mean newspapers lie? ,F: You shouldn't accept everything you read or see on the news. It's a good idea to question it.
(A) M: Excuse me, could you repeat the question? (B) M: So dad you think I should read the paper every day and believe everything it says? (C) M: You're right, mom. I'll learn to question what I see. (D) M: Okay dad, I'll question everything around me.
Example Output: C

Example Input: F: Hello, Mr.Hudson. This is Rose speaking. I'm calling to see if I can give you my research report this afternoon. It's due today. ,M: Certainly. You can either drop it off at my class or bring it to my office.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: I'm so sorry that I don't know your house address, Mr.Green. (C) F: I see. You mean I can bring my exam paper to you office tomorrow. (D) F: Ok. Thank you so much and I will put it at your office this afternoon.
Example Output:
D