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.
Q: Sentence1: Dan wanted to get into shape. Sentence2: Dan bought some running shoes and began to take jogs. Sentence3: Dan began lifting weights regularly. Sentence4: Dan spent 8 months watching the fat and calories in his diet. Sentence5: Now Dan is fit as a fiddle!
A:
Dan