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The additional meaning , to interrupt speakers with awkward or embarrassing questions , was added in Scotland , and specifically perhaps in early nineteenth century Dundee , a famously radical town where the hecklers who combed the flax had established a reputation as the most radical and belligerent element in the workforce .
 Scotland, Dundee
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:
 Scotland, Dundee