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: While he was swimming one day, Jim saw something in the water. Sentence2: He wasn't sure what it was, but he knew it didn't belong. Sentence3: He dove underneath the surface. Sentence4: He pulled the object up to the surface. Sentence5: Jim discovered that the object was a bag of rubber clown noses.

SOLUTION: Jim

PROBLEM: Sentence1: The car did not want to start. Sentence2: The driver looked around. Sentence3: The driver checked the dashboard. Sentence4: A light was flashing. Sentence5: The car needed new oil.

SOLUTION: Car, Driver

PROBLEM: Sentence1: I invited my friend over to join my team as a substitute. Sentence2: He agreed and I went to the coach to ask if he could join. Sentence3: He said if it's fine for the referee, it's fine to him. Sentence4: After asking the referee, he said it was within limits. Sentence5: He obliterated the competition and we managed to win by 4 goals!

SOLUTION:
I (myself), Referee, Coach, Friend