Premise:
"O, how I faint when I of you do write,"
Hypothesis: Writing about you does not cause any sort of reaction in me.

no

Premise:
"Did I think she was alive? "
Hypothesis: It was hard to say since she'd disappeared about 2 weeks ago.

it is not possible to tell

Premise:
"Crocodiles have lived in this region ever since biblical times, but these swamp creatures were recently imported to the area from the Florida Everglades."
Hypothesis: Crocodiles have never lived here throughout recorded history.
no