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He was posted to Portugal with his regiment in 1808 to act as second lieutenant-colonel to Lord Edward Somerset .
 person: Lord Edward Somerset
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: Lord Edward Somerset 
Answer:
 person: Lord Edward Somerset