Premise:
"A related article says the cocaine flap may have exposed W.'s campaign as ill prepared."
Hypothesis: W.'s campaign was revealed to be ill prepared because the campaign manager was ill.

it is not possible to tell

Premise:
"jumps up headless"
Hypothesis: leaps up with no head in sight

yes

Premise:
"Can't she do with it what she will?"
Hypothesis: Can't she do anything with the recycled paper?
it is not possible to tell