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: Randy was mentally retarded from a car crash early in his life. Sentence2: Randy loved the simple pleasures in life. Sentence3: His mother would take Randy on trips. Sentence4: One day Randy and his mother took a trip to the coast of carolina. Sentence5: Randy was overjoyed when he saw the ocean for the first time.
Randy, Mother

Sentence1: A friend of mine is always testing his luck with the law. Sentence2: He rather sell drugs than get a job. Sentence3: The last I heard is he started to traffic across state lines. Sentence4: Yesterday the DEA came looking for him. Sentence5: Later in the evening news he was arrested with drugs.
I (myself), Dea, Friend

Sentence1: Louisa was excited to be in her tennis match. Sentence2: When she went to play, she was ready. Sentence3: Her family was cheering for her. Sentence4: When she finished, she won. Sentence5: Louisa won a medal.
Louisa, Family