Premise:
"I'm not sure if this means that PETA ought to spend more on those banner ads, or if it means that they should save their money."
Hypothesis: PETA doesn't advertise.

no

Premise:
"so i haven't really seen any movies in the movie theater but i rent probably four or five movies a week"
Hypothesis: I go to the movie theaters four to five times a week.

no

Premise:
"However, under the Save the Social Security Surpluses simulation, GDP per capita growth slows and eventually turns negative."
Hypothesis: GDP per capita growth is above 0.
yes