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He also introduced legislation ( which was unsuccessful ) in September 1987 to prohibit economic and military assistance to Zaire , citing poor human rights , corruption , and collaboration with South Africa .
 Zaire, South Africa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Zaire, South Africa