Sentence 1: There are specialized strategies for making these comparisons-namely, pattern matching, explanation building, and thematic review.

Sentence 2: Some strategies are specialized at making comparisons.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: George W. Bush jokes that his father's idea of a perfect son is Al Gore Jr.

Sentence 2: George W says his dad hates Al Gore.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Our clues have all ended in thin air.

Sentence 2: The clues have solved the mystery for us.
Is this second sentence entailed by the first?

Answer:
no