Sentence 1: To understand the tremendous benefits of the President's plan, we need to understand the public health and environmental issues.

Sentence 2: President Trump's plan has no benefits at all, in fact it will bring on the downfall of the US.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: They stretch north south over 3 km (2 miles), allowing you the option of climbing behind some of them as well as approaching from the cave entrance.

Sentence 2: It's possible for you to climb behind the stone statues, or approach them through the cave entrance.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Research that covers multiple outcomes in addition to medical ones addresses audiences with different needs and priorities and encourages their support for provision of intervention services and financial resources.

Sentence 2: Research encourages support for the including of drug intervention services.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell