Premise: José Aldo da Silva Oliveira Junior ( [ ʒoˈzɛ ˈaldu ] ; born September 9 , 1986 ) is a Brazilian mixed martial artist in the Ultimate Fighting Championship and the UFC Featherweight Champion , currently in his second reign . In Sherdog 's 2017 Pound-For-Pound ranking , Aldo was called `` the greatest featherweight in mixed martial arts history . ''
Hypothesis: José Aldo fights in mixed martial arts.
Label: ENTAILMENT