Premise:
"King Prithvi Narayan Shah had difficulty conquering Kirtipur, whose site atop a ridge with two high points made it virtually impregnable."
Hypothesis: The king had had little difficulty in overcoming Kirtipur's defenses.

no

Premise:
"You sound too much like White."
Hypothesis: You are very different from White.

no

Premise:
"First, the item proposed that importers and manufacturers of new telephones for use in the United States be required to stamp the date of manufacture on new telephones."
Hypothesis: there was no item proposed, and there are no requirements for new telephones in the United States.
no