Sentence 1: This petty little business, as you call it, bears directly on a very big business, bigger perhaps than either you or Miss Tuppence know.

Sentence 2: The business is a serious one that neither your nor Tuppence could know.
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: had been uh snowing up there

Sentence 2: It had been snowing there for at least three hours.
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: The Algarve is home to several world-class tennis centers one of the most impressive is at Vale do Lobo.

Sentence 2: One of the most impressive world-class tennis centers is at Vale do Lobo.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes