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.
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Question: 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.

Answer: I (myself), My mom

Question: Sentence1: Skip is has a miserable marriage. Sentence2: He asks his wife for a divorce. Sentence3: She agrees. Sentence4: They both sign divorce papers. Sentence5: Skip is finally divorced from his wife.

Answer: Skip, Wife, Divorce

Question: Sentence1: John and Joe were having a competition to see who could jump higher. Sentence2: They didn't know who should judge it. Sentence3: After awhile they found someone that should judge them. Sentence4: When they finally started to test it Joe was nervous. Sentence5: Eventually it was decided that John could jump higher.

Answer:
John, Joe, Some judge