Premise:
"By the way, you are English, are you not?""
Hypothesis: Are you English?

yes

Premise:
"Mission San Fernando Rey de Espana (15151 San Fernando Mission Boulevard, Mission Hills), built in 1797, was named for Ferdinand III, King of Spain."
Hypothesis: The King of Spain was very happy to have the building named for him.

it is not possible to tell

Premise:
"Surely not."
Hypothesis: That was proven incorrect recently.
it is not possible to tell