Premise: The Basketball Association of America ( BAA ) was a professional basketball league in North America , founded in 1946 . Los Angeles Lakers . Initially a member of the NBL , the Lakers won the 1948 NBL championship before joining the rival Basketball Association of America and winning five of the next six BAA and NBA championships in Minneapolis after the NBA formed in 1949 .
Hypothesis: The Los Angeles Lakers are a baseball team.
Label: CONTRADICTION