Instructions: 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". 
Input: The credits of the clip are shown. people <sep> (A) are putting accessories on their feet. (B) are sitting on camels. (C) are biking down a path. (D) are underwater under water looking at machines.
Output:
C