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.

Sentence1: Shy was starting college. Sentence2: She was nervous but excited. Sentence3: She wondered if she would like her classes. Sentence4: On her first day, she met many new friends. Sentence5: Shy realized she would love college, after all!
Shy, Friends, College

Sentence1: Susie and her friends decided to play graveyard. Sentence2: The girls laid down on the field motionless. Sentence3: All the sudden Susie moved. Sentence4: She ended up losing the game first. Sentence5: Susie laughed but wanted to play again.
Friends, Susie

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!
Dentist, Rina