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When Fieger was 25 , he met 17-year-old Sharona Alperin , who inspired a two-month-long run of songwriting , as well as becoming Fieger 's girlfriend for the next four years .
 Fieger, Fieger
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fieger, Fieger