Detailed Instructions: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Q: Sentence1: Andrea had a pool party one summer. Sentence2: She bought a pizza shaped pool float. Sentence3: People took turns sitting on it. Sentence4: Someone too heavy sat on it, causing it to deflate. Sentence5: She bought Andrea a new one.
A:
Someone, Someone too heavy, Andrea, People