Premise:
"Paradis won't be retried."
Hypothesis: There were already enough issues, there won't be another Paradis trial.

it is not possible to tell

Premise:
"Among the protest's promised attractions are a Princess Diana look-alike stripper and a homemade guillotine."
Hypothesis: A stripper that looks like Princess Diana and a homemade guillotine are going to be present at the protest.

yes

Premise:
"The graveyard has some extremely ornate and fascinating tombs, replete with skulls and croseones and other symbols of death."
Hypothesis: There are symbols of death on several of the tombs.
yes