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.

Sentence1: Clayton was deathly afraid of house centipedes. Sentence2: One day he saw one scuttling around on his floor. Sentence3: Terrified, he called over his roommate to kill it for him. Sentence4: She walked in, unafraid, and swiftly smashed the bug with a book. Sentence5: Clayton was grateful and actually kind of impressed.
Clayton, Roommate

Sentence1: Julia was looking for her very favorite blouse. Sentence2: When she didn't find it she went to ask her sister. Sentence3: To her surprise her sister was wearing the shirt. Sentence4: She refused to take it off and Julia attacked her. Sentence5: Their dad broke it up and took the shirt away for good.
Dad, Sister, Julia

Sentence1: Lauren's car was running out of gas. Sentence2: She rushed to the gas station to fill her car up. Sentence3: Lauren accidently left her keys inside the car while she pumped gas. Sentence4: She had to call the police to unlock her car. Sentence5: From now on, Lauren always keeps a set of spare keys in her purse.
Police, Lauren, Gas station