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: It was early December. Sentence2: My mom had been fighting cancer. Sentence3: She knew her time was near. Sentence4: She promised she would look after me in heaven. Sentence5: She died in her sleep.
I (myself), My mom

Sentence1: Evan was bad at science. Sentence2: He tried his best, but it just made little sense to him. Sentence3: Still, he studied diligently. Sentence4: At the end-of-year commencement he was surprised to be called onstage. Sentence5: There, Evan was given an award for Most Improved Science Student!
Evan

Sentence1: Sam has a cat she loves more than anything. Sentence2: She is going on vacation and has to leave her cat behind. Sentence3: She gets a cat sitter to watch her cat. Sentence4: When sam comes back from vacation her cat is gone. Sentence5: Sam's cat was stolen!
Sitter, Vacation, Sam, Cat