Domain: music

question: What band wrote the song Who Wants to Live Forever?
answer_text: Queen
paraphrase: Which band created the song Who Wants to Live Forever?

question: Who was the lead singer?
answer_text: Freddie Mercury
completed: Who was the lead singer of Queen?
paraphrase: What was the name of the lead singer?

question: Was he also in Black Sabbath?
answer_text: No
completed: Was Freddie Mercury in Black Sabbath?
paraphrase: Did he also play in Black Sabbath?

question: Who was the lead singer?
answer_text: Ozzy Osbourne
completed: Who was the lead singer of Black Sabbath?
paraphrase: What was the name of the lead singer?

question: In what year did he leave the first time?
answer_text: 1978
completed: What year did Ozzy Osbourne leave Black Sabbath the first time?
paraphrase: What year did he leave the band the first time?

question: Who replaced him?
answer_text: Ronnie James Dio
completed: Who replaced Ozzy Osbourne in Black Sabbath the first time?
paraphrase: Who was his replacement?

question: Was he also part of Elf?
answer_text: Yes
completed: Was Ronnie Jame Dio a member of Elf?
paraphrase: Was he a member of the band Elf?

question: What year did the band start?
answer_text: 1967
completed: What year was the band Elf formed?
paraphrase: What year were they formed?

question: What year were they abolished?
answer_text: 1975
completed: What year was the band Elf broken up?
paraphrase: What year did they break up?

question: Was that the same year Rainbow formed?
answer_text: Yes
completed: Was Rainbow formed in 1975?
paraphrase: Did rainbow form the same year?