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: Greg went to a football game. Someone was in his seat. He asked the man nicely to move. He showed Greg his ticket to prove he was in the right seat. Greg looked at his ticket and it was dated for the next week.
 selected sentence: He showed Greg his ticket to prove he was in the right seat.

Greg asked the man who was in his seat to move >Causes/Enables> The man who was sitting in Greg's seat showed Greg his ticket