input question: I definitely wasn't the slightest bit happy. If this premise is true, does that tell us:"I was not happy at all. "?

output answer: yes

input question: If a heater is immersed directly into the seawater, ensure that the heater materials do not corrode or leach any substances that would contaminate the brine. If this premise is true, does that tell us:"If a heater goes in the water, make sure it doesn't leak or the coral will die."?

output answer: it is not possible to tell

input question: A short video presentation in the old garage gives a fascinating background to the man and his prodigious talent. If this premise is true, does that tell us:"There is a short video presentation. "?

output answer: yes

input question: The Net, though celebrated as a libertarian institution, can also be the opposite. If this premise is true, does that tell us:"The net is considered to be a libertarian institution."?

output answer:
yes