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Moving back to Ireland , he also worked on a number of short films including Phone ( 1997 ) and The Boogie Man ( 1999 ) , both written and directed by John Vaughan ; Area 51 , ( 2002 ) written and directed by Carl Collins ; Easy Street , ( 2003 ) written and directed by Shane Conaty ; A Dublin Story ( 2003 ) and Past Pupil ( 2005 ) , both directed by Graham Cantwell and Nuts , ( 2007 ) written and directed by Irvine Welsh .
 Dublin, Graham Cantwell, Irvine Welsh
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dublin, Graham Cantwell, Irvine Welsh