Sentence 1: Tommy smiled at them encouragingly.

Sentence 2: Tommy offered an encouraging grin.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: There are three other resorts along the strip, used almost exclusively by Israeli citizens.

Sentence 2: The resorts of the strip do occasionally get visited by the British tourists.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Suppose that Unsolved Mysteries called you with news of a long-lost identical twin.

Sentence 2: They wanted to confuse them.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell