100618
In North America , Oceania and Europe , up until circa the mid-1970 s it was often expected that worshippers wore their best clothes to church services ( known colloquially as the " Sunday best " ) .
 North America, Oceania, Europe
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:
 North America, Oceania, Europe