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She started 2012 with a win at the World 's Best 10 K and improved her best on the roads to 30 : 47 minutes .
 World 's Best 10 K
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:
 World 's Best 10 K