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He has interviewed celebrities such as Pharrell Williams , Q-Tip , LL Cool J , Matt Damon , Katy Perry , Matthew McConaughey and Nicolas Cage Hockin attended McGill University for music and Ryerson University for film .
 Pharrell Williams, Q-Tip, Matt Damon, Katy Perry, Matthew McConaughey, Nicolas Cage Hockin, McGill University, Ryerson University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pharrell Williams, Q-Tip, Matt Damon, Katy Perry, Matthew McConaughey, Nicolas Cage Hockin, McGill University, Ryerson University