Premise: The End Tour was the farewell tour of the heavy metal band Black Sabbath, featuring founding members Ozzy Osbourne, Tony Iommi and Geezer Butler. The tour concluded Sabbath's 40+ year career. The final show was February 4, 2017, in their home city of Birmingham, UK.
Hypothesis: Ozzy Osbourne, Tony Iommi and Geezer Butler were founding members of Black Sabbath.