Premise: 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 has a fixed membership , like most sports leagues in the United States and Canada , which makes it one of the world 's few soccer leagues that does not use promotion and relegation , a practice that is uncommon in the two countries .
Hypothesis: The United States and Canada is where the major league soccer takes place.
Label: ENTAILMENT