57577
A specialist in political systems and comparative politics , he is director of the University of Maryland 's Center for the Study of Post-Communist Societies , having served as chairman of the editorial committee ( 2004 – 2008 ) and editor ( 1998 – 2004 ) of the " East European Politics and Societies " academic review .
 organization: University of Maryland; organization: Center for the Study of Post-Communist Societies
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: University of Maryland, Center for the Study of Post-Communist Societies 
Answer:
 organization: University of Maryland; organization: Center for the Study of Post-Communist Societies