instruction:
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.
question:
Sentence1: Waiting for the next train to pull up, Harry was nervous. Sentence2: He was only a few hours away from his big interview. Sentence3: Spending the last three months sending out resumes, this was it. Sentence4: Boarding the train, he noticed something strange about the inside. Sentence5: He had hopped on the wrong color train, and would be late.
answer:
Harry

question:
Sentence1: Leroy was a poor old man. Sentence2: He lived most of his life on the streets. Sentence3: He stumbled into a gas station. Sentence4: He wanted something to eat but found a lottery ticket. Sentence5: The ticket Leroy found was the winning ticket.
answer:
Leroy

question:
Sentence1: Paul maintained a small business's server room. Sentence2: He was puzzled why their machines would reboot every night. Sentence3: Finally he spent the night at work watching what happened. Sentence4: Paul saw the janitor come in and remove the power cables. Sentence5: He realized his mistake of not keeping the server room locked.
answer:
Paul, Janitor, Small business