Premise:
"Visibility impairment in national parks, wilderness areas and urban areas also continues to be a problem."
Hypothesis: National parks are renowned for near-perfect visibility.

no

Premise:
"well i i assume that you live in do you live in Texas"
Hypothesis: I don't think you live in Texas.

no

Premise:
"4The total change in net national saving from 1990 to 2000 was also affected by an increase in state and local government saving of about 0.6 percentage points."
Hypothesis: Net national savings changed 20% between 1990 and 2000.
no