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The riots , which shook Jordan for two days , broke out after last Friday 's main prayers in the southern town of Karak and spread to Amman .
 Jordan, Amman, Karak
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Jordan, Amman, Karak