You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

A young woman walks onto a stage and speaks to a man sitting in a chair. the man <sep> (A) then begins playing a set of bagpipes. (B) gets up and the two begin dancing with one another. (C) plays a set of drums with his hands and steps up his feet stepping on each scale. (D) then demonstrates how to properly form a circle to put around him.
Output:
B