With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Renaissance took place in the period of time following the Medieval Period of Europe.
text_B: The India 's tribal belts refer to contiguous areas of settlement of tribal people of India which is to say groups or tribes that remained genetically homogenous as opposed to other population groups that mixed widely within the Indian subcontinent .. tribal people. tribal people. India. India
not_related.