Sentence 1: Use a 360-degree performance feedback system.

Sentence 2: The performance feedback system is a 180-degree model.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Accordingly, HUD did not prepare an environmental impact statement in connection with this rule.

Sentence 2: HUD, however, did prepare another impact statement that was not environmental.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Still you are right in one thing.

Sentence 2: You might be right about a few other things.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell