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The 42nd House of Delegates District forms the southern tip of Fairfax County .
 The 42nd House of Delegates District, Fairfax County, the southern tip of Fairfax County
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 The 42nd House of Delegates District, Fairfax County, the southern tip of Fairfax County