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John Frederick Durnford-Slater , DSO & Bar ( 1909 – 5 February 1972 ) was a British Army officer who was credited with raising the first Army commando unit during the Second World War .
 person: Durnford-Slater; organization: British Army; organization: commando
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: Durnford-Slater; organization: British Army; organization: commando