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: Rina had never been to the dentist as a child. Sentence2: Now she was 25 and her teeth hurt her constantly. Sentence3: Finally she scraped up some money and courage and went to a dentist. Sentence4: To her surprise, he was kind and very helpful! Sentence5: He worked out a payment plan to fix Rina's teeth!
[EX A]: Dentist, Rina

[EX Q]: Sentence1: Jim and his family wanted to build a swing set in their backyard. Sentence2: They went to the store and bought all the tools and wood. Sentence3: When they got home, they realized they didn't have any plans! Sentence4: Jim looked on the Internet until he found the perfect one. Sentence5: Jim and his family finished their swing set right as the sun set.
[EX A]:
Jim