Premise:
"The hardened rebels slaughtered Russia's ill-prepared men, ambushing them by the hundreds in Grozny."
Hypothesis: The rebels defeated Russia in a day.

it is not possible to tell

Premise:
"The Federal Communications Commission initiated this proceeding with a Notice of Proposed Rulemaking and Notice of Inquiry that addressed a number of commercial mobile radio services regulatory issues."
Hypothesis: Commercial mobile radio services regulatory issues were a topic of discussion in this proceeding.

yes

Premise:
"The top curve shows that if the Postal Service has 0 percent inefficiencies with its current wage premium, the measure of scale economies equal $6."
Hypothesis: If the USPS has 0% inefficiencies the economic scale on their premium is $6.
yes