148537
Piller attended the University of North Carolina at Chapel Hill where he was a member of the Pi Lambda Phi fraternity .
 Piller, University of North Carolina at Chapel Hill, Pi Lambda Phi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Piller, University of North Carolina at Chapel Hill, Pi Lambda Phi