Premise:
"That is, the job may be presented to us as if only that situation is of concern, but the underlying question may call for a broader look at the issue."
Hypothesis: Sometimes, the job can be intently presented in a misleading way, because someone wants certain tasks to be ignored for their own gain.

it is not possible to tell

Premise:
"Unfortunately, I have no proof beyond my surmise, unless " " With sudden energy, he caught me by the arm, and whirled me down the hall, calling out in French in his excitement: "Mademoiselle Dorcas, Mademoiselle Dorcas, un moment, s'il vous plait!" Dorcas, quite flurried by the noise, came hurrying out of the pantry. "
Hypothesis: He was excited upon learning of the death of the Vampire Lord.

it is not possible to tell

Premise:
"Their names appear on the title pages."
Hypothesis: The names are on the title page in the book.
yes