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The controversy concerned remarks made by Hussain in 2004 , criticizing procedural issues in the U.S. terror prosecution of Sami Al-Arian .
 Hussain, Sami Al-Arian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hussain, Sami Al-Arian