Premise: There is a key lesson here, said Jon.

Hypothesis: Jon said there's an important lesson here about sharpening swords.
Answer: it is not possible to tell

Premise: Quite sure, sir.

Hypothesis: I think that's the way it was, sir.
Answer: it is not possible to tell

Premise: I forgot about the other.

Hypothesis: I recalled everything else--all but the other remained in my memory.
Answer: it is not possible to tell

Premise: oh i'm thinking around twenty or twenty five dollars

Hypothesis: I was thinking around ten dollars at best
Answer: no