[Q] Premise: "Older man in blue shirt staring down at a beer can in his hand."
Hypothesis: "The older man in the blue shirt looks high in the sky at the jet passing overhead."
Do we know that the hypothesis entailed by the premise?
[A] A man is either staring down or looks high in the sky.
The answer is no.

[Q] Given the sentence "Two girls in pink jackets stand by a tree with water bottles." is it true that "Girls by a tree."?
[A] Girls stand by a tree implies they are standing by a tree.
The answer is yes.

[Q] Test for natural language inference.
Premise: "A dog plays with a blue spiky ball in the grass."
Hypothesis: "A dog is chewing on a ball."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A dog playing with a ball does mean the dog it is chewing it.
The answer is it is not possible to tell.