With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Cena started his professional wrestling career with Amnesty International.
text_B: The Central American crisis began in the late 1970s , when major civil wars and pro-communist revolutions erupted in various countries in Central America , resulting in it becoming the number one region among foreign policy hot spots in the 1980s .. Central America. Central America. foreign policy. foreign policy. communist. communism. In particular , the United States feared that victory by communist forces would threaten the Panama Canal and would isolate the rest of South America from the United States if the countries of Central America were to be installed with pro-Soviet communist governments .. Central America. Central America. United States. United States. communist. communism. Panama Canal. Panama Canal. South America. South America. Soviet. Soviet Union
not_related.