Detailed Instructions: In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.
Q: Title: Candy Bar. Sentence 1: There was a candy bar in the pool. Sentence 2: They shut down the pool. Sentence 3: A cleaner came to clean the pool. Sentence 4: It took four hours.
A:
They opened the pool when he was done.