instruction:
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.
question:
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!
answer:
Dentist, Rina

question:
Sentence1: Hebert loved going to the local arcade. Sentence2: His favorite game was a shooting game where you rack up a high score. Sentence3: One day Herbert was playing one of his best games yet. Sentence4: He made it to the last level and won the game. Sentence5: Herbert got the highest score in the game that day.
answer:
Herbert

question:
Sentence1: Jim got a brand new car. Sentence2: He had purchased the car off of his neighbor. Sentence3: The car needed an oil change. Sentence4: Jim took his car to the mechanic. Sentence5: After the oil change, his car ran like brand new.
answer:
Jim, Mechanic, Neighbor