Premise: Foo Fighters . The band 's seventh studio album , Wasting Light , produced by Butch Vig was released in 2011 , in which Smear returned as a full member . As of 2015 , the band 's eight albums have sold 12 million copies in the U.S. , and 30 million worldwide .
Hypothesis: Foo Fighters only have 4 albums.
Label: CONTRADICTION