Q: Test for natural language inference.
Premise: "A man paragliding over a valley and a lake."
Hypothesis: "He is going home."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A man paragliding does not mean that he is going home.
The answer is it is not possible to tell.

Q: Premise: "A young person is kayaking in blue water."
Hypothesis: "A young person is trying out his new sailboat in the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A person cannot be kayaking and trying a new sailboat at the same time.
The answer is no.

Q: Given the sentence "A construction worker holds a sign about bicycling." can we conclude that "A construction worker is installing a sign."?
Options:
- yes
- it is not possible to tell
- no
A: A worker can hold a sign with no intention of installing it.
The answer is it is not possible to tell.

Q: Given the sentence "Workers wearing hard hats and face masks process waste." can we conclude that "Workers are eating their lunch."?
Options:
- yes
- it is not possible to tell
- no
A:
Workers cannot be processing waste and eating their lunch at the same time.
The answer is no.