Sentence 1: Prepared for the

Sentence 2: Prepared for all
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The chances of detecting a spike in toxicity would depend on the frequency of sampling, and the probability of missing spikes is high.

Sentence 2: It would be very improbable to miss a spike in toxicity.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: What on earth could Poirot be doing in London!

Sentence 2: Poirot was supposed to be here.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell