The participants, including state and federal transportation and safety officials from the region, learned what each state was doing to decrease fatality rates and discussed how to create new safety strategies for each state and the region as a whole.
Some states have passed laws requiring all passengers wear seat belts.
mnli hypothesis: Some states have passed laws requiring all passengers wear seat belts. premise: The participants, including state and federal transportation and safety officials from the region, learned what each state was doing to decrease fatality rates and discussed how to create new safety strategies for each state and the region as a whole.