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The event took place on June 22 , 2012 at the Mountaineer Casino , Racetrack and Resort in Chester , West Virginia .
 location: Mountaineer Casino , Racetrack and Resort; location: Chester , West Virginia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Mountaineer Casino , Racetrack and Resort; location: Chester , West Virginia