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Lucas Kimeli Rotich ( born 16 April 1990 ) is a Kenya n long-distance runner who specializes in the 5000 metres .
 Lucas, Rotich, Kenya
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lucas, Rotich, Kenya