Premise:
"The military complex continues with the Ecole Militaire and the spacious gardens of the Champ-de-Mars, once the site of military exercises and parades and the series of World's Fairs held between 1867 and 1937."
Hypothesis: There is a spacious garden in Champ-de-Mars

yes

Premise:
"Who knows? he answered."
Hypothesis: I don't want to know who knows, Hanson said.

no

Premise:
"It is a society in which every want is fulfilled."
Hypothesis: The society fills every need for everyone by letting them ask for whatever they want.
it is not possible to tell