Domain: music

question: Who was the lead singer of the band Nirvana?
answer_text: Kurt Cobain
paraphrase: Name the lead singer of Nirvana.

question: his birth place?
answer_text: Aberdeen
completed: Where was Kurt Cobain born?
paraphrase: Where was he born?

question: his spouse's name?
answer_text: Courtney Love
completed: What is the name of Kurt Cobain's spouse?
paraphrase: What is the name of his spouse?

question: Is Krist Novoselic a part of the band?
answer_text: Yes
completed: Was Krist Novoselic a band member in Nirvana?
paraphrase: Did the band have Krist Novoselic as a member?

question: Was the band a rock group?
answer_text: Yes
completed: Is Nirvana a rock group?
paraphrase: Can the band be considered a rock group?