Sentence 1: postal service establish rate tiers based on the destination of the mail?

Sentence 2: How much the postal service charges is based on where the mail is going.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Legislation could expand such groups.

Sentence 2: Legislation is required for these groups to grow.
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: South of Molyvos, the resort town of Petra has an 18th-century townhouse museum and a pretty church built on a large rock at its center.

Sentence 2: Petra's only attractions are a pretty church and a museum.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell