You will be given a definition of a task first, then some input of the task.
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.

M: Shall I pick you up then? ,F: I don't know. The traffic will be really bad at that time. You know what it's like after a concert. I was thinking of catching the train. ,M: Hmm...It will be late. Won't that be a bit dangerous? I'm not busy you know.
(A) F: Yeah, it will not be late. As there will be no taxi, I think you can pick me up then. (B) F: So, as the traffic will be heavy then and you are not busy, you can pick up me then? (C) F: Really? You are very busy? Oh, I think you can pick me up then, because the traffic will be heavy. (D) F: I'm sorry, I didn't understand. Could you repeat a little louder, please?
Output:
B