Sentence 1: A finding of no significant impact on the environment has been made by HUD in accordance with its regulations implementing the National Environmental Policy Act of 1969.

Sentence 2: The findings suggested that the impact on the environment was of great concern.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Must be Mike Gerson.

Sentence 2: It's without a doubt Mike Gerson.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: While the mob was running the casinos, promoters were busily selling Las Vegas as a glamorous Hollywood in the desert.

Sentence 2: The mob was not in Vegas yet.
Is this second sentence entailed by the first?

Answer:
no