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The Liechtenstein national under-21 football team represents the under-21s of Liechtenstein in the UEFA U-21 Championship , and is controlled by the Liechtenstein Football Association , the governing body of football in Liechtenstein .
 Liechtenstein, under-21, Liechtenstein, Liechtenstein Football Association, Liechtenstein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Liechtenstein, under-21, Liechtenstein, Liechtenstein Football Association, Liechtenstein