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: Lucy and Lisa had been playing with house paint. Sentence2: Lisa left and went back home. Sentence3: Now Lucy had to keep her grandma from seeing the paint. Sentence4: Lucy crept in the house while her grandma watched TV. Sentence5: She changed her shirt and joined her glad to have gotten away with it.
Solution:
Lisa, Lucy, Grandma