Premise: Moreover, if obnoxious behavior like aggression, rape, and philandering are biological, that would make them natural and hence good--or at least in the genes, where they cannot be changed by social reform.

Hypothesis: Studies have shown that obnoxious behavior is not biological and therefore it can be changed by social reform.
Answer: it is not possible to tell

Premise: Chairman Volcker and members of the Commission, this concludes my statement.

Hypothesis: Volcker is the treasurer of the commission.
Answer: no

Premise: Probably it was best to follow the old army rule of keep the mouth shut, never volunteer, no explanations.

Hypothesis: The best idea was to tell everyone everything.
Answer: no

Premise: yeah i've got a little electric mower and i i will never buy another one of those again

Hypothesis: I own an electric mower that I would not purchase again.
Answer: yes