Definition: 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: F: Brand new sunglasses just $80. ,M: Really? They don't look very new. ,F: These are the latest style from Europe. ,M: Anyway I just bought some the other day. ,F: Not like these. OK, just for you. One pair for $70. ,M: Do they come with a guarantee? ,F: What do you need a guarantee for? These are really tough.
(A) M: Fine, so they are the latest style from the U.S. right? (B) M: Fine, I still want a guarantee although they are the lastest style. (C) M: Although they have a guarantee, they are not tough. (D) M: Excuse me, could you repeat the question?

B