Sentence 1: I suppose they have very strong poisons there?"

Sentence 2: I guess they have some of the strongest poison at that store?
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: But I suppose we were not well matched.

Sentence 2: I guess we weren't a good match in personality.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: If such expectations are not realized and, for example, there is a sustained stock market downturn or an economic downturn, households may have to scale back their consumption.

Sentence 2: The consumption that households take part in may have to be reduced if there is a constant economic downturn.
Is this second sentence entailed by the first?

Answer:
yes