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 heard a joke that made him belly laugh. The next day Tom told the joke during a meeting. No one at the meeting laughed at the joke. All day Tom worried that he made a bad decision. Toward the day's end, Tom heard his boss re-telling the joke!
 selected sentence: Toward the day's end, Tom heard his boss re-telling the joke!

Tom tells a joke >Causes/Enables> Tom's boss re-tells the joke