Premise: Decades ago, Circus Circus inaugurated the era of family friendly hotel-casino, and in recent years has tried to up the ante with Grand Slam Canyon (Tel. 702/734-0410), a pink-dome-covered, climate-controlled cluster of the Canyon Blaster corkscrew roller coaster, a water ride, bumper cars, carnival games, and a laser tag arena.

Hypothesis: The Grand Slam Canyon does not have a roller coaster or carnival games.
Relation: contradiction