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Eventually meeting Wilcox marshal Burt Alvord , the two formed a partnership and were very successful robbing trains in southern Arizona with " Three Fingered " Jack Dunlop , Bravo Juan Yolas , Bob Brown and brothers George and Louis Owens .
 Wilcox, Burt Alvord, Arizona, " Three Fingered " Jack Dunlop
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Wilcox, Burt Alvord, Arizona, " Three Fingered " Jack Dunlop