Premise: Óscar Gutiérrez ( born December 11 , 1974 ) , better known by his ring names Rey Mysterio Jr , or simply Rey Mysterio , is a Mexican-American professional wrestler . `` Rey Misterio '' is Spanish for `` King Mystery '' , but subsequently dropped the `` Junior '' from his name when he began working for WWE in July 2002 until February 2015 .
Hypothesis: Rey Mysterio is not a person.
Label: CONTRADICTION