Premise: But I still can't understand why Inglethorp was such a fool as to leave it there when he had plenty of opportunity to destroy it.

Hypothesis: I cant comprehend why Inglethorp would leave evidence there.
Answer: yes

Premise: Number 14 followed.

Hypothesis: Next was Number 14.
Answer: yes

Premise: There's no doubt it was chloral?

Hypothesis: They know with certainty that it's not chloral.
Answer: no

Premise: um well that's good

Hypothesis: That's a good thing to know.
Answer: it is not possible to tell