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Categorise "dirty" list of 396 Korean cities into clean list using top 20 cities or "other" category. eg "dirty" database contains Seoul, Soul, Soeul all of which would be categorised as "Seoul"
Cities outside the "Top 20" that occur frequently should be added to the master list
Requires excellent knowledge of South Korean cities
Analysis should take 2 hours and initial bids should not exceed $15. Work should be completed today