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Opponents , on the other hand , cite cases of rampant abuse : for example , in Chile and Argentina in the 1970 s and 1980 s thousands of people " disappeared " and were tortured or killed or both .
 Chile, Argentina
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:
 Chile, Argentina