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: We had cats in our workplace. Sentence2: They were there to control the mice in the building. Sentence3: One day my boss came to work early. Sentence4: She saw a cat batting a mouse around. Sentence5: She got sick and went home.
A:
A mouse, Mice, Cats, A cat, My boss