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.
Q: Sentence1: Mary was playing an intense game of basketball with her friends. Sentence2: Her boyfriend was watching, so she wanted to do her best. Sentence3: As a ball caromed off the backboard, she jumped high into the air. Sentence4: She snagged the rebound, but landed awkwardly and felt pain. Sentence5: Mary had broken her ankle, and she cried out in pain.
A:
Friends, Mary, Boyfriend