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The 1998 abduction of foreign engineers took place when four United Kingdom - based specialists were seized by unidentified Chechen gunmen in Grozny , the capital of Russia 's breakaway republic of Chechnya .
 location: United Kingdom; organization: Chechen; location: Grozny; location: Russia; location: Chechnya
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: United Kingdom, Chechen, Grozny, Russia, Chechnya 
Answer:
 location: United Kingdom; organization: Chechen; location: Grozny; location: Russia; location: Chechnya