Premise: AC/DC . AC/DC ranked fourth on VH1 's list of the `` 100 Greatest Artists of Hard Rock '' and were named the seventh `` Greatest Heavy Metal Band of All Time '' by MTV . Back in Black is the seventh studio album by Australian rock band AC/DC . Ballbreaker is a 1995 album by Australian hard rock band AC/DC . Stiff Upper Lip is an album by Australian hard rock band AC/DC .
Hypothesis: AC/DC was a folk band from Russia.
Label: CONTRADICTION