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Fairfield also started several fund of funds , each investing in a basket of hedge funds , though the offering of feeder funds has been the primary business of Fairfield .
 Fairfield, Fairfield
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fairfield, Fairfield