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: There once was a fast little rat inside of a house. Sentence2: The rat annoyed the family, as it chewed up wires in the home. Sentence3: The family soon decided to get a large cat. Sentence4: The cat soon found the rat hiding in his spot. Sentence5: Now, the rat who was once fast, is no longer allowed to roam.
A:
Rat, Family, Cat