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A month or so after the investigation started , McCombs informed Will Lang Jr. that he had to stop the investigation because his close friend and business partner Clay Shaw was suspected of being a conspirator in the Kennedy assassination .
 person: McCombs; person: Will Lang Jr.; person: Clay Shaw; person: Kennedy
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: McCombs, Will Lang Jr., Clay Shaw, Kennedy 
Answer:
 person: McCombs; person: Will Lang Jr.; person: Clay Shaw; person: Kennedy