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Origin 221st Independent Infantry Brigade ( Home ) was formed for service in the United Kingdom under the Chatham Area headquarters of Home Forces on 8 November 1940 .
 organization: Infantry; location: United Kingdom; location: Chatham
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: Infantry, United Kingdom, Chatham 
Answer:
 organization: Infantry; location: United Kingdom; location: Chatham