Premise:
"While the NEPDG did provide some cost-related documents to GAO, most of these documents were not useful or self-explanatory."
Hypothesis: NEPDG provided all cost-related documents to GAO.

it is not possible to tell

Premise:
"Perot's favorite candidate at the moment appears to be Buchanan, who has made noises about bolting the GOP and joining the Reform Party."
Hypothesis: Buchanan appears to be Perot's preferred candidate as of right now.

yes

Premise:
"Of those found guilty, the majority were ordered to pay court costs, plus a $100 fine."
Hypothesis: The guilty got off easily
it is not possible to tell