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Due to the high cost of the first series , the then-controller of programming of BBC1 , Michael Grade , was reluctant to sign off a second series without major improvements to the show and drastic cost-cutting , leaving a gap of three years between the two series .
 organization: BBC1; person: Michael Grade
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:
 organization: BBC1; person: Michael Grade