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The Mount Vernon Police Headquarters are located in Mount Vernon Civic Center , with an address of 2 Roosevelt Square North , Mount Vernon , NY 10550 (914)665-2500 .
 Mount Vernon Police, Mount Vernon, Mount Vernon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mount Vernon Police, Mount Vernon, Mount Vernon