Detailed Instructions: 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: Tim was always jealous of his brother Sam. Sentence2: Sam was always the better basketball player. Sentence3: One day Tim decided to challenge his brother to a game. Sentence4: Sam led the entire game. Sentence5: Near the end of the game Tim hit a jumper to finally beat his brother.
Solution:
Tim, Sam