With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: José Aldo is a mixed martial artist.
text_B: Jose Aldo da Silva Oliveira Junior -LRB- -LSB- ʒoˈzɛ ˈaldu -RSB- ; born September 9 , 1986 -RRB- is a Brazilian mixed martial artist in the Ultimate Fighting Championship and the UFC Featherweight Champion , currently in his second reign .. Featherweight. Featherweight ( MMA ). mixed martial artist. mixed martial arts. Ultimate Fighting Championship. Ultimate Fighting Championship. UFC Featherweight Champion. UFC Featherweight Championship. He was the fourth and final WEC Featherweight Champion and thus , became the first UFC Featherweight Champion during the UFC / WEC merger .. Featherweight. Featherweight ( MMA ). WEC Featherweight Champion. List of WEC champions#Featherweight Championship. UFC Featherweight Champion. UFC Featherweight Championship. UFC / WEC merger. Ultimate Fighting Championship#WEC merger. He is currently a two-time UFC Featherweight Champion , having been promoted from interim champion in the wake of former champion Conor McGregor relinquishing the title on November 27 , 2016 .. Featherweight. Featherweight ( MMA ). UFC Featherweight Champion. UFC Featherweight Championship. Conor McGregor. Conor McGregor ( fighter ). He was named Sherdog 's 2009 Fighter of the Year .. Sherdog. Sherdog. He is currently # 5 in official UFC pound-for-pound rankings , having been ranked as high as # 1 in 2015 , and ranked the # 2 featherweight in the world and # 8 pound-for-pound by Sherdog .. Sherdog. Sherdog. In the decade between losses in November 2005 and December 2015 , Aldo was undefeated in 18 fights , before being defeated by Conor McGregor at UFC 194 .. Conor McGregor. Conor McGregor ( fighter ). UFC 194. UFC 194. In Sherdog 's 2017 Pound-For-Pound ranking , Aldo was called `` the greatest featherweight in mixed martial arts history . ''. Sherdog. Sherdog
related.