Detailed Instructions: 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.
Problem:Sentence1: Sylvia was a girl scout. Sentence2: She had been selling cookies. Sentence3: When she had delivered all of them, she realized she had extras. Sentence4: She took them to her mom's work. Sentence5: There, she was able to sell the rest.
Solution:
Mom's work, Sylvia, Mom