Premise:
"La Iglesia de St. Martin is a 12th-century Romanesque beauty with glorious portals and porches."
Hypothesis: There were beautiful portals and porches built in the 12th-century.

yes

Premise:
"we can't even well we're not even really supposed to wear jeans very often so it really doesn't vary that much from season to season since the office is kind of you know always the same temperature"
Hypothesis: we're allowed to wear jeans whenever we'd like

no

Premise:
"Darn it all, why?" The little man shifted his benevolent glance to the excited young American."
Hypothesis: The man looked at the American questioningly.
yes