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: Richard was never sick usually. One day, Richard got a horrible flu. He was in bed for 5 days, nauseous and ill. He thought he might never get better. But by the 6th day he started to feel better, and returned to school.
 selected sentence: He was in bed for 5 days, nauseous and ill.

Richard gets a flu >Causes/Enables> Richard is in bed