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Newman is a founding member of The Groundlings ( as is her sister , Laraine Newman ) , an improvisational theater troupe .
 Newman, The Groundlings, Laraine Newman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Newman, The Groundlings, Laraine Newman