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".

In home pet groomers demonstrate how to groom a pet. the person <sep> (A) puts a setting engage on the pets tongue and leash. (B) starts at their butt rise, combing out the hair with a brush from a red. (C) is demonstrating how the dog's hair is trimmed with electric shears at their grooming salon. (D) installs and interacts with a sleeping pet before moving away.
Output:
C