Premise: 'But...why?' I asked weakly.

Hypothesis: I wanted to know why.
Answer: yes

Premise: They all looked at her; Jon, Thorn, Adrin, Vrenna, and the Kal.

Hypothesis: Five people looked at the woman.
Answer: yes

Premise: That much his memoir gets right.

Hypothesis: Everything in his memoir is correct.
Answer: it is not possible to tell

Premise: (All gynaecologists are idealists.

Hypothesis: Gynaecologists are all realists.
Answer: no