49099
Owing to over a century of linguistic data collected by researchers at the American English under sociolinguist Irish American , the Philadelphia dialect has been one of the best-studied forms of Italian American .
 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