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Stevens later became a photojournalist for Newsweek International in London , covering troubles in Northern Ireland and Uganda .
 person: Stevens; location: London; location: Northern Ireland; location: Uganda
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: Stevens, London, Northern Ireland, Uganda 
Answer:
 person: Stevens; location: London; location: Northern Ireland; location: Uganda