Premise:
"Among those wounded that day was the young man who would soon unite the Hawaiian kingdom for the first time in its long history."
Hypothesis: The man that would eventually untite the Hawaiian people was injured.

yes

Premise:
"The Swine Flu Decision Making on a Slippery Disease."
Hypothesis: Swine flu is deadly

it is not possible to tell

Premise:
"he doesn't have one of those"
Hypothesis: Maybe one day he will get one, but right now he doesn't own one.
it is not possible to tell