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Responsibility for the design and construction of the electromagnetic separation plant at Oak Ridge , Tennessee , which came to be called Y-12 , was assigned to Stone & Webster .
 location: Oak Ridge; location: Tennessee; location: Y-12; organization: Stone & Webster
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Oak Ridge; location: Tennessee; location: Y-12; organization: Stone & Webster