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: Well, I wonder if the drug store is still open. ,M: But it's not yet 9 o'clock. In fact, it's only 8:45.
(A) F: I didn't know the drug store closed at  8:45. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Thank you for telling me that the bookstore closes at 9:00. (D) F: Great, I'll go to the drugstore at 9:15 then.

B