With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Green Day won an award for Best Rock Album.
text_B: Anonychomyrma gigantea is a species of ant in the genus Anonychomyrma .. Anonychomyrma. Anonychomyrma. ant. ant. Described by Donisthorpe in 1943 , the species is endemic to New Guinea .. Donisthorpe. Horace Donisthorpe. New Guinea. New Guinea
not_related.