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Two of the most prominent examples of green commercial buildings in Australia are located in Melbourne ; The 60L Green Building in Carlton and Council House 2 ( also known as CH2 ) , in Melbourne 's CBD , the later was the first to receive Australia ’s 6 Star Green Star – Office Design rating .
 Melbourne, Carlton, Melbourne
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Melbourne, Carlton, Melbourne