Context: The Confederation of North, Central America and Caribbean Association Football (CONCACAF) is the continental governing body for association football in North America, that includes Central America and the Caribbean regions. Three South American entitiesthe independent nations of Guyana and Suriname and the French department of French Guianaare also members. CONCACAF's primary functions are to organize competitions for national teams and clubs, and to conduct Men's World Cup and Women's World Cup qualifying tournaments., The MLS Cup is the trophy awarded at the conclusion of the MLS Cup final, the post-season championship match of Major League Soccer, the top tier of professional soccer in the United States and Canada. The winner is crowned champion in the same manner as other North American sports leagues (i.e. via a playoff following a regular season). This differs from other top soccer leagues around the world which consider the club with the most points at the end of the season to be the sole champion. MLS honors this achievement with the Supporters' Shield. An American team that wins the MLS Cup is awarded a berth in the following year's CONCACAF Champions League., Rio Tinto Stadium (commonly referred to as simply Rio Tinto or "The RioT") is an American soccer-specific stadium in Sandy, Utah, that is the home to Major League Soccer club Real Salt Lake and its USL associate team, Real Monarchs SLC. The stadium opened on October 9, 2008, and seats 20,213 for soccer, but can be expanded to over 25,000 for concerts., Major League Soccer (MLS) is a men's professional soccer league, sanctioned by U.S. Soccer, that represents the sport's highest level in both the United States and Canada. MLS constitutes one of the major professional sports leagues of the United States and Canada. The league is composed of 22 teams19 in the U.S. and 3 in Canada. The MLS regular season runs from March to October, with each team playing 34 games; the team with the best record is awarded the Supporters' Shield. The postseason includes twelve teams competing in the MLS Cup Playoffs through November and December, culminating in the championship game, the MLS Cup. MLS teams also play in other domestic competitions against teams from other divisions in the U.S. Open Cup and in the Canadian Championship. MLS teams also compete against continental rivals in the CONCACAF Champions League., Richard Scott Kotschau ( born November 22 , 1975 in Levittown , New York ) is an American former soccer player who last played as a defender for the Real Salt Lake of Major League Soccer ., Real Salt Lake (RSL) is an American professional soccer club that competes as a member club of Major League Soccer (MLS)' Western Conference. RSL began play in 2005 as an expansion team of the league. The club plays its home games at Rio Tinto Stadium in Sandy, Utah, a suburb of Salt Lake City., William Jaird Levitt (February 11, 1907  January 28, 1994) was an American real-estate developer. In his position as president of Levitt & Sons, he is widely credited as the father of modern American suburbia. He was named one of "Time" Magazine's "100 Most Influential People of the 20th Century.", The Canadian Championshipknown as the Amway Canadian Championship for sponsorship reasonsis an annual soccer tournament contested by premier Canadian professional teams. The winner is awarded the Voyageurs Cup and Canada's berth in the CONCACAF Champions League. As of 2015, it is contested by MLS sides Toronto FC, Vancouver Whitecaps FC, and Montreal Impact, NASL side FC Edmonton and USL side Ottawa Fury FC. It is currently sponsored by Amway Canada and organized by the Canadian Soccer Association., Levittown is the name of seven large suburban developments created in the United States of America by William Levitt and his company Levitt & Sons. Built after World War II for returning veterans and their new families (though limited to those of "the Caucasian race", as stipulated in housing rent and sales agreements), the communities offered attractive alternatives to cramped central city locations and apartments. He and other builders were guaranteed by the Veterans Administration and the Federal Housing Administration (FHA) that qualified veterans could receive housing for a fraction of rental costs. Production was modeled in an assembly line manner and thousands of similar or identical homes were produced easily and quickly, allowing rapid recovery of costs. Houses came standard with a white picket fence, greener grasses and great appliances. Sales of the original Levittown began in March 1947, and 1,400 homes were purchased within the first three hours., Subject: ritchie kotschau, Relation: country_of_citizenship, Options: (A) american (B) canada (C) french guiana (D) suriname (E) united states of america
Output: united states of america