Problem: Here is a premise:
It has ranges of barren hills and mountains as well as green fertile valleys that produce grapes and olives in abundance.

Here is a hypothesis:
The valleys are very fertile in the summer time.

Here are the options: OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Sentence 1: While biological mechanisms for this effect have not yet been definitively established, the weight of the available epidemiological evidence supports an assumption of causality.

Sentence 2: The biological mechanisms for this effect have already been proven.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Question:
'Just an empty basement.'

Does it follow that "The basement had nothing in it."?
OPTIONS:
- yes
- it is not possible to tell
- no
Answer:
yes

Q: If They reveal that he swears a lot, drives like a terror, quizzes his friends on state capitals (he was a geography major), and viciously holds a grudge., can we say that "He is always polite, drives very well, and never holds a grudge."?
OPTIONS:
- yes
- it is not possible to tell
- no

A: no

Premise:
"maybe your part of the country"
Hypothesis: I know it isn't your part of the country.
OPTIONS:
- yes
- it is not possible to tell
- no

no

Sentence 1: This new hotel has supplanted the national parador as the top choice in Toledo.

Sentence 2: It is the fastest growing hotel in the area.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell