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.
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Question: Sentence1: Tom was in a hurry to get to work. Sentence2: He didn't have enough time to match his socks. Sentence3: At the office his co-workers made fun of him. Sentence4: His boss questioned his attire as well. Sentence5: Tom never made that mistake again.

Answer: Boss, Co-workers, Tom

Question: Sentence1: Debra was looking for her cat. Sentence2: Sam said she'd help her. Sentence3: The cat was on a tree. Sentence4: Sam climbed up the tree but fell. Sentence5: The cat jumped down the tree.

Answer: Her cat, Sam, Debra

Question: Sentence1: Leo's mother took him to the park. Sentence2: Leo wanted to swing on the swing set. Sentence3: Leo was swinging very high. Sentence4: Leo fell from the swing and skinned his knee. Sentence5: Leo's mother took him home and bandaged his knee.

Answer:
Leo's mother, Leo