Sentence 1: Twin septuplet covers.

Sentence 2: There were two covers featuring the children.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Above this rises a tower of 13 diminishing golden disks symbolizing the 13 steps to enlightenment, then a golden royal parasol topped by a bell-shaped crown.

Sentence 2: The tower of 13 disks symbolizes 13 steps to enlightenment.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: i think i've seen two around Dallas

Sentence 2: There's only one in Dallas, and I couldn't even find it.
Is this second sentence entailed by the first?

Answer:
no