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: Randy's son needed a serious surgery. Sentence2: They travelled to Texas to do it. Sentence3: Randy waited in a waiting room. Sentence4: The nurse came to tell him there were some complications. Sentence5: He got very scared.
Solution:
Randy, Nurse, Randy's son