Sentence 1: She's still working on it, a Pentagon source tells me.

Sentence 2: She's working on it, but not very hard.
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: 'You first.'

Sentence 2: You're not going last.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: I will call upon her about ten o'clock.

Sentence 2: I'll give her a call at about ten pm.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell