Premise:
"Some northerners brought Voth slaves from the north to trade for the slaves in the south."
Hypothesis: The Voth slaves were brought from the north to trade for slaves in the south.

yes

Premise:
"The enviros watch them with mixed pleasure and concern."
Hypothesis: The enviros feel a mixture of pleasure and concern.

yes

Premise:
"Your skill with a blade is beyond words."
Hypothesis: You're not really good with a blade.
no