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: I have never been hunting before. Sentence2: I would not even know where to begin. Sentence3: I would like to go one day. Sentence4: It would be fun to come back with a win. Sentence5: Perhaps I will go next season.

SOLUTION: I (myself)

PROBLEM: Sentence1: A friend of mine is always testing his luck with the law. Sentence2: He rather sell drugs than get a job. Sentence3: The last I heard is he started to traffic across state lines. Sentence4: Yesterday the DEA came looking for him. Sentence5: Later in the evening news he was arrested with drugs.

SOLUTION: I (myself), Dea, Friend

PROBLEM: Sentence1: Billy, John, and David went to the little league field. Sentence2: They wanted to practice before their big game tomorrow night. Sentence3: Billy found the maintenance man and asked him to turn on the lights. Sentence4: They maintenance man turned the lights on so they could practice. Sentence5: The boys practiced playing late into the evening.

SOLUTION:
Billy, John, Maintenence man, David