Sentence 1: Franco-Piedmontese alliance takes Lombardy

Sentence 2: Lombardy is the alliance.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: The house's famous Long Gallery has Pompeian fresco inspired designs and Venetian chandeliers; the great staircase is the work of Simon Vierpyl; and the plasterwork is by the Francinis.

Sentence 2: The most well-known area of the house is the Long Gallery.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: I was standing in a room.

Sentence 2: I sat down.
Is this second sentence entailed by the first?

Answer:
no