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At age 43 , he became the second oldest golfer ever to win the Masters , after Jack Nicklaus who was 46 when he triumphed in 1986 .
 person: Jack Nicklaus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Jack Nicklaus