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Alderland Centre ( 千潮滙 ) is an Asia n Canadian commercial plaza located in Markham , Ontario comprising two two-storey retail buildings and a five storey office tower .
 Asia, Markham , 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:
 Asia, Markham , Ontario