Premise: And since the pleasure derived from smoking marijuana is a core issue, consider a third Rats don't like pot.

Hypothesis: Since the pleasure of smoking marijuana is a key issue, consider how a third Rats doesn't like pot because it makes them paranoid.
Answer: it is not possible to tell

Premise: The CV-based estimates of VSL collectively may better represent the population affected by pollution than the labor market studies.

Hypothesis: The CV-based estimates of VSL are used to represent the population that pollution effects.
Answer: yes

Premise: Every now and then he was aghast at his own presumption.

Hypothesis: He felt find about his presumptions.
Answer: no

Premise: The trouble with this kind of detailed analysis is it implies that any competent craftsman could carefully study the performer's techniques and replicate them--Hoffman's preparation.

Hypothesis: Replication is an easy process.
Answer: no