Sentence 1: BOOK VALUE - The net amount at which an asset or liability is carried on the books of account (also referred to as carrying value or amount).

Sentence 2: Carry value is another name for what we know as book value.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: 1 The objective of chronic aquatic toxicity tests with effluents and pure compounds is to estimate the highest safe or no-effect concentration of these substances.

Sentence 2: Chronic aquatic toxicity tests are about finding the lowest no-effect concentration of the substances.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: 'Do we?' I asked.

Sentence 2: I wanted to know if we do.
Is this second sentence entailed by the first?

Answer:
yes