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He is best known as the co-founder of Clarke Chapman in Gateshead , once one of the largest employers on Tyneside .
 organization: Clarke Chapman; location: Gateshead
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: Clarke Chapman, Gateshead 
Answer:
 organization: Clarke Chapman; location: Gateshead