336793
The station building , originally constructed by the Philadelphia , Wilmington and Baltimore Railroad in 1877 , is adjacent to the southbound platform , but is no longer used by the public .
 organization: Philadelphia , Wilmington and Baltimore Railroad
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 , Wilmington and Baltimore Railroad 
Answer:
 organization: Philadelphia , Wilmington and Baltimore Railroad