Sentence 1: Avis' profits jumped 35 percent in the first six months of employee ownership, and the company remained profitable for the next decade.

Sentence 2: Avis saw a spike in their profits, and a profitable decade thereafter.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: The Satheri laughed.

Sentence 2: The Satheri chuckled.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: It will also improve visibility over much of the country, particularly the scenic vistas in national parks such the Grand Canyon.

Sentence 2: Visibility will not be improved by it in areas such as the Grand Canyon.
Is this second sentence entailed by the first?

Answer:
no