Premise: Achtung Baby ( [ pronˈɑːktuːŋ_ˈbeɪbiː ] ) is the seventh studio album by Irish rock band U2 . 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 . U2 have released 13 studio albums and are one of the world 's best-selling music artists of all time , having sold more than 170 million records worldwide .
Hypothesis: U2 has released zero studio albums.
Label: CONTRADICTION