Premise:
"I don't know what they are."
Hypothesis: I know what I am.

no

Premise:
"When that happens, Democrats will be bound to escalate the confirmation battle once more, to settle their score with Hatch."
Hypothesis: Democrats have a score to settle with Hatch.

yes

Premise:
"You can stop at the seventh or eighth station to rest en route."
Hypothesis: The seventh or eighth station has a place you can stop.
yes