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Safe in his hands ? : Before the election , David Cameron promised there would be no more top-down re-organisatio . . . http://t.co/4Lz1Qi4gsH
 person: David Cameron
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:
 person: David Cameron