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.
Example: Sentence1: My dog was bored. Sentence2: I was working all day so I couldn't spend time with him. Sentence3: When I finished work I decided to play with my dog. Sentence4: He was so happy to finally have some fun! Sentence5: Alas, he fell sick and died.
Example solution: I (myself), Dog
Example explanation: There is only two characters in given story, i.e., I (myself) and dog.

Problem: Sentence1: I hate being a bother to people. Sentence2: During one of my hospital stays the nurse changed my IV. Sentence3: It hurt, but not extraordinarily so. Sentence4: Throughout the day my arm was burning more but I didn't say anything. Sentence5: The nurse was shocked that the fluid had made a bubble in my arm.
Solution: I (myself), The nurse, People