Domain: music

question: Lead singer of the band Black Sabbath?
answer_text: Ozzy Osbourne
paraphrase: Who was the lead singer of Black Sabbath?

question: genre of the band?
answer_text: heavy metal
completed: What genre does Black Sabbath play?
paraphrase: What genre does the band play?

question: When was the lead singer born?
answer_text: 3 December 1948
completed: What is the date of birth of the lead singer Ozzy Osbourne?
paraphrase: What is the date of birth of the lead vocalist?

question: Who is his second wife?
answer_text: Sharon Osbourne
completed: What is the name of Ozzy Osbourne's second wife?
paraphrase: name of the singer's second wife?

question: her birthplace?
answer_text: Brixton
completed: Where was Sharon Osbourne born?
paraphrase: Where was she born?