Sentence 1: and do you know how much how long this is supposed to go on

Sentence 2: Are you aware of the starting date?
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: What time was it when she first called you?

Sentence 2: She didn't call.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Not at all.

Sentence 2: Absolutely.
Is this second sentence entailed by the first?

Answer:
no