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BizXchange ( BizX ) is a business-to-business barter consultancy firm and trade exchange headquartered in Seattle , Washington with additional offices in Oakland , California and Dubai , UAE .
 Seattle , Washington, Dubai , UAE
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Seattle , Washington, Dubai , UAE