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trials with airdrie , Celtic International career Costas Costas had been also an important member of the Cyprus national football team , having 34 appearances and scoring 2 goals .
 Costas Costas, Cyprus national football team
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Costas Costas, Cyprus national football team