With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The sum of Philip V of Spain's time in power was 45 years and 21 days.
text_B: INPE may refer to  :. National Institute for Space Research in Brazil -LRB- Instituto Nacional de Pesquisas Espaciais -RRB-. National Institute for Space Research. National Institute for Space Research. National Penitentiary Institute of Peru -LRB- Instituto Nacional Penitenciario -RRB-. National Penitentiary Institute of Peru. National Penitentiary Institute ( Peru ). National Penitentiary and Prison Institute of Colombia -LRB- Instituto Nacional Penitenciario y Carcelario -RRB-. National Penitentiary and Prison Institute of Colombia. National Penitentiary and Prison Institute ( Colombia )
not_related.