377562
From 1994 to 1996 he worked in Berlin at the Forschungs-Institut für Offene Kommunikationssysteme ( GMD FOKUS ) , an institute of the now-defunct Gesellschaft für Mathematik und Datenverarbeitung ( GMD ) and now part of the Fraunhofer Society .
 Berlin, Fraunhofer Society
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Berlin, Fraunhofer Society