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Theodore W. Kassinger is an international trade attorney who is a partner in the Washington DC office of O'Melveny & Myers , LLP .
 Theodore, Kassinger, O'Melveny & Myers , LLP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Theodore, Kassinger, O'Melveny & Myers , LLP