Sentence 1: Those who didn't escape were executed or sold into slavery.

Sentence 2: None of those who escaped were executed or sold into slavery.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: yeah that's what i'm actually told i've i've never experienced a hurricane

Sentence 2: I haven't lived anywhere that hurricane's are common.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Enter Old Cairo by the old Roman Gate the Romans established a fort here following their annexation of the country where you will find a concentration of Coptic churches and monasteries.

Sentence 2: There aren't any Coptic religious constructions in Old Cairo.
Is this second sentence entailed by the first?

Answer:
no