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 was riding his brand new bicycle to the store for candy. Sentence2: Dan is always excited to get candy. Sentence3: In his excitement he forgot to lock his bicycle. Sentence4: When he came out of the store his bicycle was gone! Sentence5: Dan never saw his brand new bicycle again.
A:
Dan