With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Conor McGregor started a career in 2008.
text_B: The mangrove honeyeater -LRB- Gavicalis fasciogularis -RRB- is a species of bird in the honeyeater family Meliphagidae .. Meliphagidae. Honeyeater. Gavicalis. Gavicalis. bird. bird. The species was once considered to be conspecific with the varied honeyeater , but it is now treated as a separate species .. varied honeyeater. varied honeyeater. These two species form a superspecies with the singing honeyeater .. singing honeyeater. singing honeyeater. It is endemic to Australia , where it is restricted to the eastern coast from Townsville in Queensland to northern New South Wales .. endemic. Endemism. Australia. Australia. Townsville. Townsville. Queensland. Queensland. New South Wales. New South Wales. The species has been expanding its range southward in recent years .. The mangrove honeyeater is generally locally common over most of its range , but is rarer in the south .. Its natural habitat is subtropical or tropical mangrove forests .. habitat. habitat. The mangrove honeyeater was previously placed in the genus Lichenostomus but was moved to Gavicalis after molecular phylogenetic analysis published in 2011 showed that the original genus was polyphyletic .. Gavicalis. Gavicalis. Lichenostomus. Lichenostomus. molecular phylogenetic. molecular phylogenetic. polyphyletic. polyphyly
not_related.