Premise:
"I really did not know how much Poirot would wish me to disclose. "
Hypothesis: I had no idea how much Poirot wanted me to reveal.

yes

Premise:
"To gain entrance to the gaming room, you have to present your passport or identification papers."
Hypothesis: You need your identification papers or passport to get into the gaming room.

yes

Premise:
"He was an easterner who taught the fourth emperor."
Hypothesis: He taught the emperor how to fight.
it is not possible to tell