Sentence 1: A photograph, carelessly thrust in face upwards, caught his eye.

Sentence 2: He honed in on one photograph.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Hundreds of hotels have sprung up along the sandy beaches, and these have been followed by restaurants, bars, and shops, making today's Sharm El-Sheikh not just a diving destination but a true tourist resort.

Sentence 2: Only one hotel has sprung up on the beach, surprisingly, due to extensive regulations.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: It is our duty as a democratic society - and as compassionate leaders in the state of Washington - to make sure that we really do ensure justice for all.

Sentence 2: A democratic society has no obligation to ensure justice for all.
Is this second sentence entailed by the first?

Answer:
no