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: M: I'd like 2 tickets for tonight's show, how much is a ticket? ,F: $8.50 and there is also a service charge of $1 per ticket.
(A) M: So I need to pay $19 in total. (B) M: I need to pay $19 for service charge. (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: So I need to pay $17 for one ticket.

Output: A


Input: Consider Input: M: Mary, I heard that Sam is forming his own band. What's the name of the band? ,F: Stay Away from the World. It will be a great success. Sam is very good at playing the guitar.
(A) M: Really? You mean Sam is not very good at playing the guitar and the name of Sam's band is Keep Away From The World. (B) M: You mean Sam is very good at playing the piano, and the name of Sam's band is Stay Away From The World? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: So, it will not be a great success and  the name of Sam's band is Stay Away From The Words.

Output: C


Input: Consider Input: M: Did you hear the news? Reports say that drinking beer is good for your health. I really shouldn't have given it up. ,F: Come on, Peter. You are healthy as well without it.
(A) M: I used to be in poor health because of the beer. (B) M: I didn’t hear you. Please could you tell me again? (C) M: I didn't give up drinking beer so I am in poor health now. (D) M: I used to be a beer drinker, but now I give it up and I am in poor health.


Output: B