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In 2001 , Ovono had an unsuccessful trial at 1 . FC Union Berlin in Germany .
 Ovono, 1 . FC Union Berlin, Germany
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ovono, 1 . FC Union Berlin, Germany