Premise:
"This produces annual cost functions for each of the major postal activities and a total cost function."
Hypothesis: This produces cost functions for each of the environmental activities.

no

Premise:
"On This Week , Cokie Roberts asked Begala six times whether an extramarital physical relationship was improper."
Hypothesis: Cokie Roberts asked whether an extramarital physical relationship was improper in her marriage.

it is not possible to tell

Premise:
"and that's a lot of fun they have tours going through there and"
Hypothesis: I wish the tour lasted a bit longer.
it is not possible to tell