Sentence 1: GAO's Web site (www.gao.gov) contains abstracts and fulltext files of current reports and testimony and an expanding archive of older products.

Sentence 2: GAO's website could be very useful, but it's also full of errors and omissions.
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: Ah, that tickles you up!

Sentence 2: It amuses you because you're simple-minded!
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: oh yeah it's dangerous

Sentence 2: It is not safe.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes