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The 7th Duke was the paternal grandfather of the British Prime Minister Sir Winston Churchill , born at Blenheim Palace on 30 November 1874 .
 person: Winston Churchill; location: Blenheim Palace
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: Winston Churchill; location: Blenheim Palace