In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen after that sentence. Is any of them directly caused by it, or is made possible by it? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible. Do not change the main selected sentence in your answer.

story: Troy was always on the bench during his baseball games. One day, his coach decided to put him in. Waiting to bat, Troy became nervous. The ball flew at him through the air. Troy hit the ball out of the park.
selected sentence: Waiting to bat, Troy became nervous.
Troy becomes nervous as he waits to bat >Causes/Enables> Troy hits the ball out of the park