Premise: How to Dismantle an Atomic Bomb is the eleventh studio album by Irish rock band U2 . Songs of Innocence is the thirteenth studio album by Irish rock band U2 . The Joshua Tree is the fifth studio album by Irish rock band U2 . U2 . They have won 22 Grammy Awards , more than any other band , and in 2005 , they were inducted into the Rock and Roll Hall of Fame in their first year of eligibility .
Hypothesis: U2 is a band.
Label: ENTAILMENT