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He guest-starred on Fred Waring 's CBS television program in the 1950 s and appeared on " Circus Boy " as a hot air balloonist .
 person: Fred Waring; organization: CBS
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: Fred Waring; organization: CBS