With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Conor McGregor is signed to the Ultimate Fighting Championship.
text_B: Conor Anthony McGregor -LRB- Irish  : Conchur Antoin Mac Greagoir ; born 14 July 1988 -RRB- is an Irish professional mixed martial artist who is currently signed to the Ultimate Fighting Championship -LRB- UFC -RRB- .. Irish. Irish language. mixed martial artist. mixed martial arts. Ultimate Fighting Championship. Ultimate Fighting Championship. He is the reigning UFC Lightweight Champion , and former UFC Featherweight Champion .. Featherweight. Featherweight ( MMA ). Lightweight. Lightweight ( MMA ). UFC Lightweight Champion. UFC Lightweight Championship. UFC Featherweight Champion. UFC Featherweight Championship. During his career , McGregor has competed as a featherweight , lightweight , and welterweight .. featherweight. Featherweight ( MMA ). lightweight. Lightweight ( MMA ). welterweight. Welterweight ( MMA ). In 2008 , McGregor started his mixed martial arts -LRB- MMA -RRB- 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 .. Featherweight. Featherweight ( MMA ). Lightweight. Lightweight ( MMA ). Cage Warriors. Cage Warriors. In 2015 , at UFC 194 , McGregor defeated Jose Aldo for the UFC Featherweight Championship via knockout thirteen seconds into the first round .. Featherweight. Featherweight ( MMA ). UFC 194. UFC 194. Jose Aldo. Jose Aldo. knockout. knockout. This was the fastest victory in UFC title fight history .. Upon defeating Eddie Alvarez for the UFC Lightweight Championship at UFC 205 , McGregor became the first fighter in UFC history to hold titles in two weight divisions simultaneously .. Lightweight. Lightweight ( MMA ). Eddie Alvarez. Eddie Alvarez. UFC 205. UFC 205. He is known for being the biggest pay-per-view draw in MMA history , as well as his extravagant lifestyle and trash talking .. pay-per-view. pay-per-view. trash talking. Trash-talk
related.