Premise:
"because they they have lots of good stuff Masterpiece Theatre and mystery and nature"
Hypothesis: They don't have Masterpiece Theatre, mystery or nature shows.

no

Premise:
"How easily the blade had ended the man's life."
Hypothesis: The man had escaped without injury.

no

Premise:
"The only clear measure of Guber and Peters' misjudgment is their overspending for antique furniture, yachts, slumber parties at Aspen, and the like, and a numbing succession of box-office bombs."
Hypothesis: Guber and Peter clearly overspend for antique furniture and yachts.
yes