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The pair formed the group in 1920 in Kansas City under the name Coon-Sanders Novelty Orchestra , broadcast for the first time on radio the following year , and became known as the Nighthawks because of their frequent appearances on late-night radio .
 location: Kansas City
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Kansas City 
Answer:
 location: Kansas City