TASK DEFINITION: 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.
PROBLEM: Sentence1: Kelli was injured on the job and couldn't work for a while. Sentence2: Because her bills continued to come in, she needed extra money. Sentence3: She joined a work-at-home site online to make some extra cash. Sentence4: Kelli really liked working on the site, and did a lot of hits. Sentence5: One morning she woke up to her first rejection and she felt crushed.

SOLUTION: Kelli

PROBLEM: Sentence1: Hank was at his high school basketball match. Sentence2: During half time, someone from the other team offered him candy. Sentence3: Hank gladly accepted the candy. Sentence4: But he started feeling bad when the game resumed. Sentence5: Hank regret eating the candy.

SOLUTION: Hank, Someone

PROBLEM: Sentence1: Tom was a fitness enthusiast. Sentence2: Tom wanted to improve his fitness. Sentence3: He decided to move to Arizona. Sentence4: He would train outdoors all summer. Sentence5: He felt his fitness improve due to the heat.

SOLUTION:
Tom