Q: 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.
Sentence1: Chuck decided to rake the leaves in his yard. Sentence2: He worked long on that cool fall day. Sentence3: He collected the last of the leaves in a bag. Sentence4: It was then that a big wind blew through the tree branches. Sentence5: Chuck sighed as a carpet of leaves settled on his lawn.
A:
Chuck