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: Simon invited his friend Joey over for a play-date. Sentence2: He was looking forward to playing Minecraft with his friend. Sentence3: Right before Joey arrived, the internet went out. Sentence4: Simon tried resetting the router, but it didn't help. Sentence5: Simon and Joey played outside until the router was back online.

SOLUTION: Simon, Joey

PROBLEM: Sentence1: Rakesh was 10-years-old and his parents owned a motel. Sentence2: They believed their son Rakesh should have money to buy things. Sentence3: Rakesh bought toys from the hobby store, but his friend didn't. Sentence4: Rakesh gave his friend, Charles, $75! Sentence5: But Charles showed his mother the cash and she made him return it.

SOLUTION: His parents, Motel, Rakesh, His mother

PROBLEM: Sentence1: Aaron's car broke down on the side of the road. Sentence2: He was on an empty stretch of road outside of town. Sentence3: A man in a truck gave Aaron a ride into town. Sentence4: Aaron had a signal when he got into town. Sentence5: Aaron used his phone from town to call a tow truck.

SOLUTION:
Aaron, A man