Premise: Adrien Broner . He is a former four-weight world champion , having held the WBO junior lightweight title from 2011 to 2012 ; the WBC lightweight title from 2012 to 2013 ; the WBA welterweight title in 2014 ; and the WBA super lightweight title from 2015 to 2016 . Light welterweight , also known as junior welterweight or super lightweight , is a weight class in combat sports . Professional boxing , or prizefighting , emerged in the early twentieth century as boxing gradually attained legitimacy and became a regulated , sanctioned sport .
Hypothesis: Adrien Broner is a fighter.
Label: ENTAILMENT