Definition: 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: A male attaches a hollow stick on a bull whom chases him. a guy <sep> (A) messes with a bull. (B) boils a beer in a small fridge. (C) shoots a museum piece without the stick. (D) uses a welding equipment to remove some metal particles.
Output:
A