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She was the first tug of her kind and since her launch , there have been many tugs built with the same design and Atlantic Spruce continues the Irving-owned Atlantic Towing tradition of naming their tugs after trees ; Atlantic Fir , Atlantic Hemlock , Atlas , Atlas Captain .
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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:
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