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: The bus arrived to my bus stop. Everyone got inside of the bus. The bus closed the door when I tried to get in. When I waved, the bus driver couldn't see me. I had to knock on the door for him to notice.
 selected sentence: Everyone got inside of the bus.

The bus arrives at the bus stop >Causes/Enables> The people waiting at the stop board the bus