Premise:
"It was, sir."
Hypothesis: You are right about it, sir.

it is not possible to tell

Premise:
"The assistant shoemaker is another of Malamud's weirdly insistent, lonely souls--impelled, who knows why, to devote himself to a hopeless love; still wincing from the horrors of Europe, which he has not entirely escaped; inarticulate, yet bursting with passion, if only his boss, the master shoemaker, will deign to listen."
Hypothesis: The assistant shoemaker is always 100% focused on making shoes.

no

Premise:
"Postal Service delivers at least 11 billion competing items."
Hypothesis: Postal Service delivery is able to deliver more items because they offer faster shipment than their competitors.
it is not possible to tell