Q: 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: Danny went to the dentist today. Sentence2: He found out he had five cavities. Sentence3: The dentist asked him if he flosses every day and Danny said no. Sentence4: His dentist bill was over three hundred dollars. Sentence5: Danny vowed to start flossing everyday.
A:
The dentist, Danny