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Riggs was Cole Porter 's roommate at Yale , and with Porter wrote See America First , a patriotic comic opera that spoofed the " flag waving " musicals of George M. Cohan .
 person: Riggs; person: Cole Porter; organization: Yale; person: Porter; person: George M. Cohan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Riggs; person: Cole Porter; organization: Yale; person: Porter; person: George M. Cohan