Premise:
"I have always been the changeling."
Hypothesis: The changeling has been me from the beginning.

yes

Premise:
"Fena Kef is a town of scum and villainy."
Hypothesis: The people of Fena Kef are perfectly civil.

no

Premise:
"For a moment or two Tommy's indignation got the better of him."
Hypothesis: Tommy's anger took over him for a second.
yes