Premise:
"That was the shadow in the pool."
Hypothesis: The shadow of her figure was in the pool.

it is not possible to tell

Premise:
"In a comfortable little theater you can watch a one-hour demonstration of tea ceremony, traditional music and dance, flower arranging, puppet theater, and a kyogen farce."
Hypothesis: There is a little theater that shows both flower arranging and kyogen farce.

yes

Premise:
"Key to Vince McMahon, WWF president, has made himself part of the storyline."
Hypothesis: The WWF was never successful when McMahon became part of his shows.
no