Sentence 1: Only a few at first but more as salt production increased.

Sentence 2: As salt production increased, more appeared.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Symptoms of eutrophication are found in many of our nation's coastal ecosystems.

Sentence 2: The nation's coastal ecosystems are cleaner than ever before, with no traces of eutrophication.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: This negotiated travel program saves the government over $2 billion annually.

Sentence 2: The us loses $2 billion a year
Is this second sentence entailed by the first?

Answer:
no