Detailed Instructions: 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.
Problem:Sentence1: Gina's siblings had been at her uncles all night. Sentence2: They were telling her of all the fun they had. Sentence3: Gina hadn't expected this. Sentence4: When she could take no more she went for a walk. Sentence5: She hated to admit it, but she was jealous of them.
Solution:
Gina's siblings, Gina, Uncle