Sentence 1: Well, I suppose the atmosphere is oxygen and nitrogen, mostly; then there's the ionosphere and the ozone layer.

Sentence 2: The atmosphere also has some carbon dioxide in it.
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: She wanted me back.

Sentence 2: She didn't want me back at all.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: They are well armed and wear bulletproof vests.

Sentence 2: They wear vests that are bulletproof and are also armed well.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes