With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Nilotic languages are spoken by an indigenous people in Northeastern Africa.
text_B: Tapirira marchandii is a species of plant in the Anacardiaceae family .. Anacardiaceae. Anacardiaceae. Tapirira. Tapirira. plant. plant. It is native to Cerrado vegetation in Brazil .. Cerrado. Cerrado. vegetation. vegetation. Brazil. Brazil
not_related.