With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Glee's sixth season aired from January to March 2015.
text_B: Prestonia parvifolia is a species of plant in the Apocynaceae family .. Apocynaceae. Apocynaceae. Prestonia. Prestonia ( plant ). plant. plant. It is endemic to Ecuador .. endemic. Endemism. Ecuador. Ecuador. Its natural habitat is subtropical or tropical dry forests .. habitat. habitat. It is threatened by habitat loss .. habitat. habitat. habitat loss. habitat loss
not_related.