Premise: Conor Anthony McGregor ( Irish : Conchúr Antóin Mac Gréagóir ; born 14 July 1988 ) is an Irish professional mixed martial artist who is currently signed to the Ultimate Fighting Championship ( UFC ) . In 2008 , McGregor started his mixed martial arts ( MMA ) career and , in 2012 , he won both the Cage Warriors Featherweight and Lightweight Championships , holding both titles concurrently before vacating them to sign with the UFC .
Hypothesis: Conor McGregor is an amateur mixed martial artist.
Label: CONTRADICTION