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: Tom wanted to break out of his shell. Sentence2: He felt that he always played it safe. Sentence3: He set up a bungee jumping appointment. Sentence4: When the day came Tom cancelled it. Sentence5: He felt disappointed in himself for chickening out.
A: 
Tom