Premise:
"Note that when haggling, the merchant assumes you are prepared to pay cash."
Hypothesis: When haggling, merchants assume you will pay with cash.

yes

Premise:
"Because she said so."
Hypothesis: She said so because it followed her morals.

it is not possible to tell

Premise:
"This is Suun's Kiss, hammered twenty six years ago and tested through the bodies of four men."
Hypothesis: The Suun's kiss was tested through the bodies of four men.
yes