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: Berry was a struggling musician. Sentence2: He loved all kinds of music but didn't have any inspiration. Sentence3: On Friday his girlfriend of three years broke up with him. Sentence4: He began writing blues tunes about her. Sentence5: Then his music was a hit and people loved to hear him sing the blues.
Solution:
His girlfriend, Berry, People