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: 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.
Example Output: C

Example Input: M: Pam, where is the closest ATM? ,F: Do you see that yellow building over there? ,M: Yes. ,F: It's right next to it on the right.
(A) M: So it's next to the yellow building on the left, okay, I'll find it. (B) M: Alright, I'll go next to the yellow building and find the ATM. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: Alright, I'll go to the red building and find the ATM opposite the convenience store.
Example Output: B

Example Input: F: Dave, I'm going to pick up food and drink for Saturday's picnic. Any suggestions? ,M: Well, everyone has been talking about having a barbecue down by the river. So why don't you pick up some hamburger and hot dogs? ,F: OK, but how much hamburger meat are we going to need? And hot dogs, too. ,M: I don't know. How about 3 pounds of hamburger and a couple of packages of hot dogs? ,F: Oh, that's not going to be enough. Do you remember the last picnic in the mountains? Jim, your roommate, ate about 10 hamburgers by himself. ,M: Yeah, I remember that. Then 7 packages of hot dogs should be enough. And you'd better pick up some chicken for those who don't like hamburgers or hot dogs. ,F: OK. How about 5 or 6 bags of potato chips. ,M: Better make that 8.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: As you suggest, I'll bring 8 bags of potato chips. (C) F: You say 7 packages of potato chips and 8 hamburgers? I think that's enough. (D) F: You are right. I'll pick up 8 bags potato chips to Sunday's picnic.
Example Output:
B