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At the turn of the twenty-first century ( August 1999 to September 2001 ) , all three of the leaders of the main political parties had been the youngest MPs in their party when they began their political careers ( William Hague , Tony Blair , Charles Kennedy ) .
 person: William Hague; person: Tony Blair; person: Charles Kennedy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: William Hague; person: Tony Blair; person: Charles Kennedy