99559
Postal voting does not require a reason , apart from in Northern Ireland , where postal voting is available only if it would be unreasonable to expect a voter to go to a polling station on polling day as a result of employment , disability or education restrictions .
 Northern Ireland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Northern Ireland