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 family was celebrating the 4th of July. They picked up fireworks from the store. They also bought lots of food. They had a big BBQ cookout. At night they lit off the fireworks they bought.
 selected sentence: They also bought lots of food.

The family is celebrating the fourth of July >Causes/Enables> They buy a lot of food