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U . S . warned of unsafe airspace over Crimea , but not where #MH17 crashed http://t.co/b4f9t8q0jW
 location: U . S .; location: Crimea
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: U . S ., Crimea 
Answer:
 location: U . S .; location: Crimea