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Mildred Valley Thornton Hon. CPA , FRSA ( 7 May 1890 – 27 July 1967 ) was born Mildred Valley Stinson a Canadian portrait and landscape painter .
 Mildred Valley Thornton, Mildred Valley, Canadian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mildred Valley Thornton, Mildred Valley, Canadian