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: Joyce never got along with her brother, she thought he was crazy. Sentence2: He would sleep every night for only 3 hours exactly. Sentence3: He often murmured things to her while she was walking by. Sentence4: She thought he was harmless until the day police arrived at her door. Sentence5: They arrested her brother for the connection of a 3 people murder.
A:
3 people, Brother, Joyce