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Shoe size in the United Kingdom , Ireland , India , Pakistan and South Africa is based on the length of the last used to make the shoes , measured in barleycorns ( inch ) starting from the smallest size deemed practical , which is called size zero .
 United Kingdom, Ireland, India, Pakistan, South Africa
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:
 United Kingdom, Ireland, India, Pakistan, South Africa