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.

[EX Q]: Sentence1: Melinda heard a noise. Sentence2: There was a burglar in her house! Sentence3: She called the police. Sentence4: They rushed over and arrested him. Sentence5: Melinda no longer felt safe.
[EX A]: Melinda, Burglar, Police

[EX Q]: Sentence1: Tony went to the park to see friends. Sentence2: They found an open field to play in. Sentence3: They all played soccer and Tony was the goalie. Sentence4: Tony made a big save to help his team win. Sentence5: All his friends cheered Tony for his great save.
[EX A]: Tony, Friends

[EX Q]: 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.
[EX A]:
Tom