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: My daughter's high school friend may be on cocaine. Sentence2: She has been acting high after breaking up with her boyfriend. Sentence3: A mutual friend offered to help her get into rehab. Sentence4: She listened one day, then denied taking drugs the next. Sentence5: The mutual friend has not talked to her since.
Solution:
I (myself), High school friend, Daughter, Boyfriend, Mutual friend