Sentence 1: Auctions.

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

Answer: no

Sentence 1: He was the opposite of his brother in almost every respect, being unusually shy and reserved.

Sentence 2: His brother was rude and arrogant.
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: A second axe planted itself into the skull of the second.

Sentence 2: A second axe broke into a million pieces.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
no