Question: Are Bob Lurtsema and Dirk Wittenborn of the same nationality?

Knowledge 1: Bob Lurtsema
Robert Ross Lurtsema( born March 29, 1942) is a former American football defensive end in the National Football League for the Minnesota Vikings, New York Giants, and Seattle Seahawks.He played in two Super Bowls with Vikings( Super Bowl VIII in 1974 and Super Bowl IX in 1975).Lurtsema played college football at Michigan Technological University where he also led the basketball team.During the 1970s and 1980s, Lurtsema could often be seen in TCF Bank( TCF Savings and Loan) TV commercials.He formerly owned Benchwarmer Bob's Sports Cafe, with two locations in the Twin Cities.He pitched for a season with the Minnesota Norseman semi- pro softball team.He was also seen playing the part of a blatantly biased referee in the American Wrestling Association during its last year, most famously in a match between The Trooper and Mike Enos.His character states he is in the Trooper's corner and repeatedly helps the trooper during the match, and the bias is discussed by the announcers after the match.At one of the final AWA shows, AWA Twin Wars'90 on May 5, 1990, Lurtsema teamed with Brad Rheingans and the Trooper and defeated Tully Blanchard and the Destruction Crew. [SEP] Knowledge 2: Dirk Wittenborn
Dirk Wittenborn( born 1952 in New Haven, Connecticut) is an American screenwriter and novelist.
Knowledge 1: Bob Lurtsema
Robert Ross Lurtsema( born March 29, 1942) is a former American football defensive end in the National Football League for the Minnesota Vikings, New York Giants, and Seattle Seahawks.He played in two Super Bowls with Vikings( Super Bowl VIII in 1974 and Super Bowl IX in 1975).Lurtsema played college football at Michigan Technological University where he also led the basketball team.During the 1970s and 1980s, Lurtsema could often be seen in TCF Bank( TCF Savings and Loan) TV commercials.He formerly owned Benchwarmer Bob's Sports Cafe, with two locations in the Twin Cities.He pitched for a season with the Minnesota Norseman semi- pro softball team.He was also seen playing the part of a blatantly biased referee in the American Wrestling Association during its last year, most famously in a match between The Trooper and Mike Enos.His character states he is in the Trooper's corner and repeatedly helps the trooper during the match, and the bias is discussed by the announcers after the match.At one of the final AWA shows, AWA Twin Wars'90 on May 5, 1990, Lurtsema teamed with Brad Rheingans and the Trooper and defeated Tully Blanchard and the Destruction Crew. [SEP] Knowledge 2: Odessa Sea
Odessa Sea is a novel by Clive Cussler and Dirk Cussler published November 15, 2016.
Knowledge 1: David Ji
David Longfen Ji is an American businessman who co-founded Apex Digital, an electronics manufacturer.In 2004, he was arrested in China following a dispute with Sichuan Changhong Electric, a supplier owned by the city of Mianyang and the province of Sichuan.Changhong accused him of defrauding them through bad checks.Ji was taken, according to an account by his lawyer, to the senior management and told, "I decide whether you live or die."He has been held in China without charges.Ji's case highlighted an "implicit racism" in dealings with American businessmen.As a U.S. citizen he was not granted the same treatment by authorities as non-ethnically Chinese businessmen sharing the same nationality. [SEP] Knowledge 2: The Lucky Ones (film)
The Lucky Ones is a 2008 American comedy- drama directed by Neil Burger.The screenplay by Burger and Dirk Wittenborn focuses on three United States Army soldiers who find themselves drawn together by unforeseen circumstances.

Answer: yes