Sentence 1: i i'm not sure there's a positive solution for that

Sentence 2: There is not a positive solution.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The Criteria Air Pollutant Modeling System (CAPMS) is used to quantify human health benefits due to the changes in a population's exposure to fine particulate matter and ozone.

Sentence 2: Exposure to fine particulate matter can affect human health.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: He hopes a streamlined and more efficient network can be put in place to ensure that Floridians who need help have access to it.

Sentence 2: The current network in Florida is not streamlined.
Is this second sentence entailed by the first?

Answer:
yes