Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? 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.
Input: story: Mike was so excited he couldn't sleep. He'd just gotten tickets to the World Series! He loaded up his car and got ready to make the drive. When he arrived at the stadium, he quickly found his seat. He couldn't wait for the game to start!
 selected sentence: Mike was so excited he couldn't sleep.

Mike gets tickets to the World Series >Causes/Enables> Mike is so excited