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Joseph Clifford ( Cliff ) McIsaac , ( August 30 , 1930 – July 25 , 2006 ) was a politician , public servant and veterinarian .
 Cliff, McIsaac
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cliff, McIsaac