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Joe O ' Grossman is a professor of constitutional law at Baltimore ' s Johns Hopkins University .
 geographical social political: Baltimore; organization: Baltimore ' s Johns Hopkins University; person: Joe O ' Grossman; person: a professor of constitutional law at Baltimore ' s Johns Hopkins University
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: Baltimore, Baltimore ' s Johns Hopkins University, Joe O ' Grossman, a professor of constitutional law at Baltimore ' s Johns Hopkins University 
Answer:
 geographical social political: Baltimore; organization: Baltimore ' s Johns Hopkins University; person: Joe O ' Grossman; person: a professor of constitutional law at Baltimore ' s Johns Hopkins University