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.

[EX Q]: Sentence1: Randy was out jogging one morning. Sentence2: Then suddenly, the world began to look different. Sentence3: He realized he had lost a contact lens. Sentence4: He went back to check and see if he could find it. Sentence5: Sadly, though, Randy's lens was gone for good.
[EX A]: Randy

[EX Q]: Sentence1: Last year Paul was about an inch too short for the big roller coaster. Sentence2: He was confident when he walked up to the measuring stick. Sentence3: Sure enough, he had grown well over an inch. Sentence4: He proudly got on the roller coaster. Sentence5: It was as much fun as he expected it to be!
[EX A]: Paul

[EX Q]: Sentence1: Sam would be working on my roof for several days. Sentence2: The roof had gotten so bad it actually had a hole in it. Sentence3: At first, he debated whether to fix the whole roof or just patch it. Sentence4: The decision was soon made for him. Sentence5: I was cooking in my kitchen when Sam fell through the ceiling!
[EX A]:
I (myself), Sam