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: I wrapped bread and cheese in wax paper. I placed it in the toaster. The wax paper caught on fire. The fire extinguisher didn't work. Luckily, the fire went out on its own.
 selected sentence: The fire extinguisher didn't work.

Wax paper caught on fire >Causes/Enables> I used fire extinguisher