With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Allen Ginsberg protested against imperial politics and persecution of the powerless.
text_B: Principe Island League is the top division of the Federacao Santomense de Futebol for the Principe Island .. Principe. Principe. Federacao Santomense de Futebol. Federacao Santomense de Futebol. The league consists only a single tier and features six clubs .. Since 2011 , every single club on the island has a regional championship title .
not_related.