Premise: We haven't been as good at communicating our story, he said.

Hypothesis: Our story includes; discovery, heartbreak, loss, but finally, success.
Answer: it is not possible to tell

Premise: Many enjoy watching burly fellows blowing molten globules into cute little green giraffes.

Hypothesis: The burly fellows also make glass lions and tigers.
Answer: it is not possible to tell

Premise: 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.

Hypothesis: They found that cars without air bags are at a lower risk than those with air bags.
Answer: yes

Premise: Because most federal civilian employees are paid on an hourly basis (or fractions of an hour) and earn and charge leave on that basis, a complete and accurate record of the time an employee works must be retained as an official agency record available for review or inspection.

Hypothesis: An accurate record is maintained.
Answer: it is not possible to tell