[QUESTION] Premise: "A man is using a jackhammer to work on a sidewalk."
Hypothesis: "A man is working on a sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Working on a sidewalk is a rephrasing of using a jackhammer to work on a sidewalk.
The answer is yes.

[QUESTION] Given the sentence "An older gray-haired gentleman stands out on a concrete pier at the bottom of steps fishing in light blue water that overlooks a rocky outcropping." can we conclude that "An older gray-haired gentleman doesn't stand out on a concrete pier."?
Options:
- yes
- it is not possible to tell
- no
One can either stand out on a pier or not stand on a pier.
The answer is no.

[QUESTION] Given the sentence "A young child walks on the grass away from a stone monument." can we conclude that "The child is walking outside."?
Options:
- yes
- it is not possible to tell
- no
The child is on the grass so he must be outside.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A woman in a dark shirt and glasses looks at a digital camera."
Hypothesis: "A woman is looking at a digital camera."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A woman looking at a digital camera is a rephrasing of looks at a digital camera.
The answer is yes.