Given the task definition and input, reply with output. 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 group of people play ping pong with automated machines and robots. one man <sep> (A) stops and plays the game, while all the robots shuffle out of frame. (B) plays ping pong with an orange machine with a red paddle attached to the end of a robotic arm. (C) enters the machine as the machines play one man's game. (D) jumps over the machine to make a more successful shot during a competition.
B