171689
The lease was transferred from the Pennsylvania Company to parent Pennsylvania Railroad on January 1 , 1918 , and to the Penn Central Transportation Company in 1968 .
 Pennsylvania, Pennsylvania Railroad, Penn Central Transportation Company
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pennsylvania, Pennsylvania Railroad, Penn Central Transportation Company