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In global economic restructuring , location has become a key element in establishing competitive advantage as regions focus on their unique assets to spur innovation ( i.e. information technology in Silicon Valley , or digital media in Seoul ) .
 location: Silicon Valley; location: Seoul
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Silicon Valley, Seoul 
Answer:
 location: Silicon Valley; location: Seoul