answer: Billy likes Jimi Hendrix more than the Beatles while Joy thinks the opposite.
documents: #Person1#: Hey, Joy. I like Jimi Hendrix more than the Beatles.
  #Person2#: Jimi Hendrix was a great guitar player. But I think the Beatles were better than Hendrix.
  #Person1#: Why do you think so?
  #Person2#: They had great lyrics and great songs. It's a big band, Billy.
  #Person1#: But I still love Hendrix more than the Beatles.
  #Person2#: It seems that you are a big guitar fan, Billy.