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: I really have to be going. ,M: Why? Stay a little longer. ,F: No, I must catch the last bus.
(A) M: Why don't you want to go and catch the first bus? (B) M: I didn’t hear you. Please could you tell me again? (C) M: I don't get it why you don't want to stay a bit longer. (D) M: I'm not surprised that you won't stay longer and wanted to catch the first bus.

Output: C


Input: Consider Input: M: Would you like some apple juice or orange juice? I made it last night. ,F: No, thank you. I prefer tea to fruit juice.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: Well, I just bought some new tea. (C) M: You have a good taste, madam. This is the best tea we have. (D) M: I'm sorry, madam, but we're out of juice.

Output: B


Input: Consider Input: F: Hi Paul, I heard you're working on a new book. What is it about? ,M: It's about an adventurous girl who lives in village drowning, a town surrounded by beasts.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: What? Your book about a brave girl's adventures, it must be a interesting story that happens in a city. (C) F: What? Your book is about a brave girl's adventures? That must be very interesting! (D) F: Oh, I don't think some ugly but kind beasts is a good topic, compared with that one, I love your last book which was about the adventurous girl who lives in village drowning, a town surrounded by beasts.


Output: C