Premise: Muhammad Ali ( [ ɑːˈliː ] born Cassius Marcellus Clay Jr. ; January 17 , 1942 -- June 3 , 2016 ) was an American professional boxer and activist . Cassius Clay was born and raised in Louisville , Kentucky , and began training as an amateur boxer when he was 12 years old .
Hypothesis: Muhammad Ali trained as an amateur boxer.
Label: ENTAILMENT