Sentence 1: Was it a lack of patients?

Sentence 2: Was it because there wasn't enough patients?
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: His primary vehicle is a $90 million invasion of privacy suit filed against Hillary Clinton and others on behalf of the victims of Filegate.

Sentence 2: The invasion of privacy suit filed against Hillary Clinton was worth $10 million.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Apart from repairing the islands' fortifications, the Ottomans left few lasting remnants of their rule.

Sentence 2: The Ottomans repaired the island's defenses.
Is this second sentence entailed by the first?

Answer:
yes