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Brown recorded it in 1967 in response to increasing criticism of the Vietnam War by black leaders such as Martin Luther King , Jr. and Stokely Carmichael .
 Brown, Martin Luther King , Jr., Stokely Carmichael
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Brown, Martin Luther King , Jr., Stokely Carmichael