Premise: Ozzy Osbourne . He rose to prominence in the early 1970s as the lead vocalist of the heavy metal band Black Sabbath . Osbourne has since reunited with Black Sabbath on several occasions , recording the album 13 in 2013 . As a member of Black Sabbath , he was inducted into the Rock and Roll Hall of Fame , and he was inducted into the UK Music Hall of Fame as a solo artist and as a member of the band .
Hypothesis: Ozzy Osbourne was in Black Sabbath.
Label: ENTAILMENT