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: Tom needed to take the bus to his job He was running late. the bus ended up coming early. he got on the bus He arrived on time
 selected sentence: the bus ended up coming early.

Tom needed to take the bus to work >Causes/Enables> The bus came early 