Sentence 1: Something is drawing them up from all over the planet." Later, half a square mile of the shell cracked off.

Sentence 2: Something is pulling them up from everywhere on the planet.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: I said bolted, meaning that it was fastened, and I could not open it, but I believe all the doors were found bolted on the inside."

Sentence 2: This door, and likely all the others, were firmly bolted shut.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Apart from its sheer size, the roofline is the most striking aspect of the chateau ' a surprisingly harmonious blend of cupolas, domes, turrets, spires, and chimneys.

Sentence 2: The chateau roof is formed by a huge dome that occupies it's all size.
Is this second sentence entailed by the first?

Answer:
no