Teacher: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".
Teacher: Now, understand the problem? Solve this instance: An introduction is shown for a video about how to clean running spikes. a guy <sep> (A) begins to show off a vacuum. (B) explains that he will clean the spikes while showing the dirt on the spikes. (C) in a clothes and shirt is shown wiping down a grey wall with a cloth. (D) shows his bare back to the camera while crouching down.
Student:
B