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: M: Hello, this is Ben. Who is that? ,F: This is Sally from San Francisco. Is Robert Black in? ,M: Hold on, please. Robert, quick, someone is calling you from San Francisco.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: How long should I wait until Robert gets here? (C) F: I'm looking for Ben. (D) F: Let me speak to Sally please.

B