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Sergeant Alistair Ira Slater MM ( died 2 December 1984 ) was a British Army soldier who served in B Squadron , Air ( 7 ) Troop , 22 Special Air Service who was killed on 2 December 1984 whilst on operations against the Provisional Irish Republican Army in Kesh , County Fermanagh in Northern Ireland .
 person: Slater; organization: British Army; organization: Special Air Service; organization: Provisional Irish Republican Army; location: Kesh , County Fermanagh
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:
 person: Slater; organization: British Army; organization: Special Air Service; organization: Provisional Irish Republican Army; location: Kesh , County Fermanagh