Sentence 1: I observed John.

Sentence 2: John was observed from afar.
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: "His father!"Drew could not help that exclamation.

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

Answer: no

Sentence 1: i think i've seen two around Dallas

Sentence 2: There's only one in Dallas, and I couldn't even find it.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
no