Premise:
"And once made, provisions have tended to remain."
Hypothesis: Provisions usually remain after the are made.

yes

Premise:
"This tiny desert railway croseng was the scene of one of the pivotal battles of WWII, where Allied soldiers defeated Rommel's German and Italian forces in 1942."
Hypothesis: The Allied side was able to strike such a blow by partnering with the vampires.

it is not possible to tell

Premise:
"A long moment came before he spoke."
Hypothesis: He started talking right away.
no