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".

They start to run off and everyone is sneaking around trying to catch and shoot other people without getting caught. the field they are playing on <sep> (A) is pretty cool, it has a lot of different hiding places. (B) is covered in grass and beach black birds flying above. (C) seems to be completely empty apart from cars laying in the grass. (D) is covered in dirt and they begin running and diving underneath it.
Output:
A