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Early life Cangrande was born at Verona , the third son of Alberto I della Scala , ruler of Verona , and Verde da Salizzole .
 Cangrande, Verona, Alberto I della Scala, Verona, da
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cangrande, Verona, Alberto I della Scala, Verona, da