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Lang said he supported conditions proposed by Britain 's Office of Fair Trading , which was asked to examine the case last month .
 location: Britain; person: Lang; organization: Office of Fair Trading
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 location: Britain; person: Lang; organization: Office of Fair Trading