Sentence 1: From Blea Tarn the road drops sharply down to a T-junction, with signs right to Wrynose Pass.

Sentence 2: The road from Blea Tarn to Wrynose Pass is quite treacherous.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: After all, in a democracy, the halls of justice must always stand wide open and everyone must be welcome to walk through them unimpeded and unchallenged.

Sentence 2: Not everyone should ideally be entitled to walk the halls of justice in a democracy.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Outwardly the room was unchanged.

Sentence 2: The room was not different on the outside
Is this second sentence entailed by the first?

Answer:
yes