Premise: Metallica is an American heavy metal band based in San Rafael , California . The band was formed in 1981 in Los Angeles when vocalist/guitarist James Hetfield responded to an advertisement posted by drummer Lars Ulrich in a local newspaper . Metallica earned a growing fan base in the underground music community and won critical acclaim with its first four albums ; their third album Master of Puppets ( 1986 ) was described as one of the most influential and heaviest of thrash metal albums . Metallica ranks as one of the most commercially successful bands of all time , having sold over 110 million records worldwide .
Hypothesis: Metallica is an American fish.
Label: CONTRADICTION