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During 1915 , Lamar acted as an agent for the German Navy intelligence agent in New York City , Franz von Rintelen , in promoting strikes and work slowdowns in munitions plants by means of the Labor 's National Peace Council .
 Lamar, Franz von Rintelen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lamar, Franz von Rintelen