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Varner heard of Stephen F. Austin 's colony on the Brazos River , and he went to see him , signing with the Old Three Hundred .
 Varner, Stephen F. Austin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Varner, Stephen F. Austin