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.
Q: Sentence1: Tim wanted to express himself. Sentence2: He thought people with gold teeth looked the best. Sentence3: He decided to get a gold tooth. Sentence4: He went to the dentist and paid for the procedure. Sentence5: Tim got his gold tooth and was very happy about it.
A:
Tim, Dentist, People