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For instance , a number of imposed construction delays led to roughly a doubling of the cost of the Darlington Nuclear Generating Station near Toronto , Ontario .
 Darlington Nuclear Generating Station, Toronto, Ontario
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Darlington Nuclear Generating Station, Toronto, Ontario