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However , it defaulted on its interest payments in 1874 and acquired by the Pennsylvania Railroad in 1875 , which formed a new division to operate the rail line .
 organization: Pennsylvania Railroad
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Pennsylvania Railroad 
Answer:
 organization: Pennsylvania Railroad