Premise: John II ( Portuguese : João II , [ ʒuˈɐ̃w̃ ] ; 3 March 1455 -- 25 October 1495 ) , the Perfect Prince ( o Príncipe Perfeito ) , was the king of Portugal and the Algarves in 1477/1481 -- 1495 .
Hypothesis: John II of Portugal was a king.
Label: ENTAILMENT