instruction:
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.
question:
Sentence1: Isaac was prone to bouts of depression. Sentence2: He never made many friends, and was usually found by himself. Sentence3: He imagined that no one would miss him and began to cry. Sentence4: His mother heard his sobbing and came to find out what was wrong. Sentence5: She encouraged him that she would miss him if he disappeared.
answer:
Isaac, Friends, Mother

question:
Sentence1: James had two best friends who hated each other. Sentence2: He could never see them together but always apart. Sentence3: For his birthday, he made an exemption and invited them both. Sentence4: It was a gamble, but it worked. Sentence5: The two friends went over their disagreement for the sake of James.
answer:
James, Best friends

question:
Sentence1: Sean's microwave broke. Sentence2: He needed a new microwave. Sentence3: He went to the store and bought a microwave. Sentence4: Unfortunately, the new microwave had a defect. Sentence5: Sean cried in frustration.
answer:
Sean