Sentence 1: All of that was then.

Sentence 2: None of it was then.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: It's not too late.

Sentence 2: It's over and time is all run out.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: uh i know

Sentence 2: I have knowledge about that.
Is this second sentence entailed by the first?

Answer:
yes