Premise:
"yeah that's pretty understandable"
Hypothesis: That isn't understandable.

no

Premise:
" A voice said tightly: "We're small enough, Bork."
Hypothesis: We're small enough.

yes

Premise:
"He also legalized the hula, Hawaii's traditional dance."
Hypothesis: Hula was legalized by him, according to the article.
it is not possible to tell