Question: Information:  - Amanda Evora ( born November 17 , 1984 ) is an American pair skater . She competed with Mark Ladwig . They are two - time ( 2010 , 2011 ) U.S. silver medalists , 2012 U.S. bronze medalists and two - time ( 2007 , 2009 ) U.S. pewter medalists .  - The 2010 Winter Olympics, officially known as the XXI Olympic Winter Games (French: Les "XXIes Jeux olympiques d'hiver") and commonly known as Vancouver 2010, informally the 21st Winter Olympics, were a major international multi-sport event held from February 12 to 28, 2010, in Vancouver, British Columbia, Canada, with some events held in the surrounding suburbs of Richmond, West Vancouver and the University Endowment Lands, and in the nearby resort town of Whistler. Approximately 2,600 athletes from 82 nations participated in 86 events in fifteen disciplines. Both the Olympic and Paralympic Games were organized by the Vancouver Organizing Committee (VANOC), headed by John Furlong. The 2010 Winter Olympics were the third Olympics hosted by Canada and the first by the province of British Columbia. Previously, Canada hosted the 1976 Summer Olympics in Montreal, Quebec, and the 1988 Winter Olympics in Calgary, Alberta. Vancouver is the largest city to host the Winter Olympics.  - Mark Ladwig (born May 6, 1980) is an American pair skater. He is best known for his partnership with Amanda Evora, with whom he competed at the 2010 Winter Olympics, placing tenth. They won bronze at an ISU Grand Prix event, the 2010 Cup of Russia, and two U.S. national silver medals. He later skated with Lindsay Davis for one season.    Given the information, choose the subject and object entities that have the relation of 'participant of'.
Answer:
amanda evora , 2010 winter olympics