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Facilities Greyhound racing track The 1,230-foot greyhound racing track opened over twenty-five years ago and is the home track to over 40 greyhound s. Quincy 's 777 casino VictoryLand is home to Quincy 's 777 , a casino , home to over 7,000 different slot machine s. Before its closure , Quincy 's 777 was the largest electronic bingo casino in the state .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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