Domain: music

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

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

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

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

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