Premise:
"Average boxes per mile differ by a factor of nine."
Hypothesis: Average boxes per mile are the same

no

Premise:
"For many, the image of Greek music and dance is inexorably linked to the film Zorba the Greek."
Hypothesis: The film Zorba the Greek did not portray Greek music and dance.

no

Premise:
"The warring chiefs demanded guns in exchange for food."
Hypothesis: To obtain food, they demanded guns.
yes