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Rantel Research In 1979 , Tate co-founded Rantel Research , Inc. , with partners Steven A. Smith ( VP/Operations , later COO ) and Charles E. Helene ( VP/Statistics And Analysis ) .
 person: Rantel; person: Tate; person: Rantel
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: Rantel, Tate, Rantel 
Answer:
 person: Rantel; person: Tate; person: Rantel