Sentence 1: and their vote didn't count

Sentence 2: They knew that their vote was meaningless.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Lawrence would say no more, so I decided that I would descend from my high horse, and once more seek out Poirot at Leastways Cottage.

Sentence 2: Lawrence would say no more because he was hiding something.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Prepared Canadian Council of Ministers of the Environment Task Force on Cleaner Vehicles and Fuels, Winnipeg, Manitoba.

Sentence 2: Canada does not have any councils or task forces.
Is this second sentence entailed by the first?

Answer:
no