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The Secure Freight Initiative ( SFI ) is a Department of Homeland Security ( DHS ) program and part of the SAFE Port Act of 2006 .
 Department of Homeland Security, Port
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Department of Homeland Security, Port