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During September 2015 , the cartoon once again entered the realm of political parody , as commentators referenced it when making light of the supposed David Cameron scandal revolving around Norman Lamb .
 David Cameron, Norman Lamb
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 David Cameron, Norman Lamb