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 walking around. Sentence2: He found a wallet on the ground. Sentence3: It was completely empty. Sentence4: Tom thought it was a nice looking wallet. Sentence5: He kept it for himself.

Answer: Tom

Question: Sentence1: Jan lived in an apartment in town. Sentence2: The apartment didn't have any air conditioning or fans. Sentence3: It was a hot and steamy afternoon. Sentence4: Jan decided to open a window to get some air moving. Sentence5: Now Jan's cats are missing.

Answer: Jan, Jan's cats

Question: Sentence1: Eric was looking at his recent purchase at the art supply store. Sentence2: He liked art when he was in school and even won an award. Sentence3: He never thought about art much until recently. Sentence4: He decided he would give it a try. Sentence5: Not much else was going on so he figured he would give it a try.

Answer:
Eric