Sentence 1: In this sprawling city, the parts of Madrid of greatest interest to foreign visitors are remarkably compact.

Sentence 2: In this sprawling city, the parts of Madrid of greatest interest to foreign visitors are remarkably compact because it is the historic district.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: be real sore afterwards

Sentence 2: Be real relaxed before.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Genetic engineering can do crazy things.

Sentence 2: Genetic engineering is useful for taking on new problems.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell