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They could not handle the early evening increase in voting traffic , thus making it impossible for many voters to get through to the server between 5:00 and 7:30 " p.m. All of the affected municipalities extended voting for at least a few hours to compensate for the outage ; several , including Pembroke , Waterloo , Prince Edward County and Greater Sudbury , opted to extend voting for a full 24 hours into the evening of October 23 .
 Pembroke, Waterloo, Prince Edward County, Greater Sudbury
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:
 Pembroke, Waterloo, Prince Edward County, Greater Sudbury