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: Lucy awoke and jumped out of bed. Sentence2: It was Independence Day and she was excited. Sentence3: She ran and asked her grandma if they could go see fireworks. Sentence4: Grandma reminded her that wouldn't be for hours. Sentence5: Lucy decided to play to pass the time.

Solution: Lucy, Grandma