190056
He spent the following year as Assistant U.S. Attorney in the U.S. Attorney 's Office in Philadelphia before turning to the career path for which he is most widely known , that of law professor .
 location: Philadelphia
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: Philadelphia 
Answer:
 location: Philadelphia