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.
Q: Sentence1: When my sister was young she had a chick she kept in a box by her bed. Sentence2: She loved her chicken and it grew into a large beautiful rooster. Sentence3: My mother's cousin knew if was hers, but picked her chicken to cook. Sentence4: They had chicken and dumplings on the table when she came home. Sentence5: Years later our mother said she had something to do with that.
A:
My sister, Mother's cousin