Question and answer: Q: Test for natural language inference.
Premise: "A couple leaning over a concrete railing inside of a building."
Hypothesis: "Two people leaving over a railing."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: yes
Explanation: A couple is two and they are leaning over a railing.

Question and answer: Q: Given the sentence "A young woman performs ballet on stage." can we conclude that "A young woman dances the lead in ""swan lake""."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation: A young woman performs ballet on stage does not indicate that she dances the lead in 'Swan Lake'.

Question and answer: Q: Test for natural language inference.
Premise: "A dog is pawing at a fallen log nearby a stream in an area with pinestraw."
Hypothesis: "Dog sees a turtle."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: it is not possible to tell
Explanation:
A dog can paw on a fallen log and not be looking for a turtle.