Premise:
"There's great salmon fishing here each year starting in May."
Hypothesis: The salmon fishing is mediocre and starts in January.

no

Premise:
"Why don't I get this?"
Hypothesis: Why don't I understand?

yes

Premise:
"The titanic colossus presided over the most beautiful town Jon had seen in the south."
Hypothesis: Jon had been to thirty southern towns.
it is not possible to tell