Sentence 1: For example key assumptions underlying the Base and Alternative Estimates for the mortality category include the (1) Inhalation of fine particles is causally associated with premature death at concentrations near those experienced by most Americans on a daily basis.

Sentence 2: The assumptions in the Base and Alternative Estimates are unjustified.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: For those who find it difficult to appreciate mosaics as we usually see them, in fading indecipherable fragments, the beautifully preserved mosaic decoration of Ravenna's churches, up to 1,500 years old, come as an exciting revelation.

Sentence 2: It is impossible to consider a mosaic as a whole.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Enlighten me, will you?" Poirot studied me attentively for a moment or two.

Sentence 2: Poirot took a few moments examining me carefully.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes