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: Joe was bored. Sentence2: Joe wanted to go out. Sentence3: Joe call his friends to go out. Sentence4: Joe and his friends went out downtown. Sentence5: Joe had a lot of fun with his friends.
Solution:
Friends, Joe