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 left his car at his Mom's house in the backyard. He left it there for years. It became filled with bees. Tom saw his car and got rid of it. Tom just bought a new car.
 selected sentence: He left it there for years.

Tom forgets about his car >Causes/Enables> Tom leaves his car for years