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With his writing partner , Harry Driver ( 1931 – 1973 ) , Powell created and wrote 11 sitcoms for ITV in an eight-year period , including the successful shows Bless This House and Love Thy Neighbour , though other writers contributed scripts to both series .
 person: Harry Driver; person: Powell; organization: ITV
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: Harry Driver, Powell, ITV 
Answer:
 person: Harry Driver; person: Powell; organization: ITV