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: Charlie had been sick for the past few days. Sentence2: He had decided to go back to school. Sentence3: Charlie got dressed and was about to walk out the door. Sentence4: He suddenly felt very weak and nauseous. Sentence5: Charlie ended up staying home another day.
A:
Charlie, School