Definition: 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.
Input: Sentence1: Bobbie has been doing childcare for over 25 years in her home. Sentence2: She has a variety of aged children that come. Sentence3: Some of these children are still in disposable diapers. Sentence4: Bobbie changes the kids when needed as the parents bring the diapers. Sentence5: After she changes them, she throws the diaper in the garbage.
Output:
Parents, Bobbie, Children