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.

Ex Input:
M: I just love badminton. What's your favorite sport? ,F: Um...It's hard to say. I like baseball a lot, but I think I like volleyball best.
(A) M: Me, too! I'm crazy about baseball. (B) M: I'm so glad that your favorite sport is badminton. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: You love baseball most, although you're interested in volleyball.

Ex Output:
C


Ex Input:
F: How much is this piano, please? ,M: $1000. ,F: My god! That's a fortune! ,M: But you must realize that this is the most famous brand. ,F: But it's too dear for me. ,M: That's the best piano hit our store. ,F: I just want to get one for my daughter to learn how to play the piano.
(A) M: If you want to buy yourself a piano, this one is perfect. It is a niche brand and is the best piano in our store. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: This is the best piano we have and it costs only $1500. It should be the best choice for your son. (D) M: This piano will suit your daughter very well since it is the most famous brand. She must like it.

Ex Output:
D


Ex Input:
F: It's gonna be sunny this Saturday. Want to have a picnic in the park? ,M: Great, and we can also ride our bikes for a while. ,F: Yeah, then there will be a wedding in the evening. ,M: Oh, I almost forgot it. Dyson and Jason invited us for their wedding dinner. Hope it won't last long. I really want to get home early to watch the football game. ,F: Me too. I was invited to attend a local painting exhibition in the museum this Sunday morning. So I really need to have enough time for a good sleep.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Yes. I also hope that we can be home early and you can sleep well on Sunday night. (C) M: Yes. I also hope that we can be home early and you can sleep well. (D) M: Yes. We should come home early and draw some paintings on Sunday night.

Ex Output:

C