202673
History Many of American wrestling 's greatest champions are from the organization , such as wrestling legend John Smith ( 2x Olympic and 4x World Champion ) , women 's wrestling pioneer Tricia Saunders ( 4x World Champion ) , Cael Sanderson ( 2004 Olympic Gold Medalist ) and Greco-Roman wrestler Rulon Gardner ( 2000 Olympic Heavyweight Champion ) .
 John Smith, Tricia Saunders, Cael Sanderson, Rulon Gardner
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John Smith, Tricia Saunders, Cael Sanderson, Rulon Gardner