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: Fred picked up a book at a thrift store. Sentence2: He read the first paragraph and skipped to the end. Sentence3: He felt that the ending was very solid. Sentence4: Fred decided to buy the book. Sentence5: When he got home he began to read it cover to cover.
Fred