Premise:
"I drew close to him, while John and the lawyer were debating the question of going through Mrs. Inglethorp's papers. "
Hypothesis: John and the lawyer were considering going through Mrs. Inglethorp's papers.

yes

Premise:
"The genuine demagogue assails minorities and labels his foes Communists."
Hypothesis: The man is honest, kind to minorities, and respectful of his enemies.

no

Premise:
"She couldn't even speak her own tongue.""
Hypothesis: She couldn't even say a word in her own native language.
yes