101027
History The station was on the Sligo , Leitrim and Northern Counties Railway , one of the railways not to be absorbed into the state-owned system in 1925 since it crossed the border between Northern Ireland and the Republic ( then the Irish Free State ) .
 Northern, Northern
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Northern, Northern