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After successfully investing in mining , Griffith J. Griffith purchased Rancho Los Feliz ( near the Los Angeles River ) in 1882 and started an ostrich farm there .
 Griffith J. Griffith, Rancho Los Feliz, Los Angeles River
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Griffith J. Griffith, Rancho Los Feliz, Los Angeles River