With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Natalie Portman won a Golden Globe Award for her role in Black Swan.
text_B: Determining the largest cities in Central America requires defining the terms `` Central America '' and `` city '' .. Central America. Central America. city. city. For the purposes of this article Central America is defined as consisting of Belize , Costa Rica , El Salvador , Guatemala , Honduras , Nicaragua and Panama .. Central America. Central America. Belize. Belize. Costa Rica. Costa Rica. El Salvador. El Salvador. Guatemala. Guatemala. Honduras. Honduras. Nicaragua. Nicaragua. Panama. Panama. The two lists presented are based on two different definitions of a city , the urban agglomeration and the city proper .. city. city. urban agglomeration. urban agglomeration. city proper. city proper
not_related.