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In 1944 Art Spinanger attended Mogensen 's classes , and back at Procter and Gamble started their remarkable " Deliberate Methods Change " program .
 Procter and Gamble
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Procter and Gamble