Premise: 1968 NBA Playoffs . The tournament concluded with the Eastern Division champion Boston Celtics defeating the Western Division champion Los Angeles Lakers 4 games to 2 in the NBA Finals . 1991 NBA Finals . The 1991 Finals marked the first time the Bulls defeated the Lakers in a playoff series . Los Angeles Lakers . Led by Hall of Famers Elgin Baylor and Jerry West , Los Angeles made the NBA Finals six times in the 1960s , but lost each series to the Boston Celtics , beginning their long and storied rivalry .
Hypothesis: The Lakers were in the NBA Finals.
Label: ENTAILMENT