Text: They found that drivers of air-bag-equipped cars initiate a disproportionate number of crashes involving fatalities, and that, as a result, the occupants of such cars are at considerably higher risk than those in cars without air bags.
Entailment: They found that cars without air bags are at a lower risk than those with air bags.
Contradiction: They found that drivers in cars that do not have airbags are a much higher risk.