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: Jeff is addicted to working out and he goes everyday. Sentence2: He just started a new job that has him working long hours. Sentence3: These long hours prevent him from being able to go to the gym. Sentence4: By the time Jeff gets off work the gym is closed. Sentence5: Jeff went out and bought all the stuff he needs to work out athome.

SOLUTION: Jeff

PROBLEM: 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.

SOLUTION: Harry

PROBLEM: Sentence1: The man tried his best. Sentence2: He failed at the task. Sentence3: He lost a lot of money. Sentence4: That put his house at risk. Sentence5: His wife had to get a job to help the family.

SOLUTION:
Wife, Man