Premise:
"With negotiations at a stalemate and summer vacations removing the motivation for an immediate solution, both sides appear to be settling in."
Hypothesis: Both factions seemed to be nesting as negations hit a stop.

yes

Premise:
"). For the last three days I've been tempting carpal tunnel while cutting and then uncutting very funny News Quiz answers."
Hypothesis: The News Quiz answers I've been looking at are just terrible and anti-funny.

no

Premise:
"Exhibit 4 Human Health Effects of Air Pollutants"
Hypothesis: The last exhibit concerns the effect of air pollutants on human health.
it is not possible to tell