2318
The line became known as the Panhandle Route and was operated in the Pennsylvania Railroad system and currently by the Columbus and  Ohio  River Railroad (  Ohio Central Railroad  System ) .
 state or province of headquarters: Ohio, Ohio Central Railroad
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 state or province of headquarters: Ohio, Ohio Central Railroad