Premise: Gennady Gennadyevich Golovkin ( Геннадий Геннадьевич Головкин born 8 April 1982 ) is a Kazakhstani professional boxer who currently holds the unified WBA ( Super ) , WBC , IBF , and IBO middleweight titles . As of May 2017 , he is ranked as the world 's best middleweight by BoxRec and the Transnational Boxing Rankings Board , and second best by The Ring . In his amateur career , Golovkin won a gold medal in the middleweight division at the 2003 World Championships . Middleweight is a weight class in combat sports .
Hypothesis: Gennady Golovkin is an athlete.
Label: ENTAILMENT