Q: Given the sentence "Workers stack blue crates at a dock and seagulls try to see inside them." is it true that "The seagulls are trying to get to the fish inside of the crates on the dock."?
A: The seagulls may be trying to see fish or something else.
The answer is it is not possible to tell.

Q: Given the sentence "A boy leaping to perform a toe-touch in front of a tree." can we conclude that "A boy is in front of an oak tree."?
Options:
- yes
- it is not possible to tell
- no
A: A tree doesn't imply an oak tree; there are many types of trees.
The answer is it is not possible to tell.

Q: Premise: "A large group of youths sitting and socializing on a graffiti-covered cement wall."
Hypothesis: "A large group of youths worked hard to sit on wall."
Do we know that the hypothesis entailed by the premise?
A: A group of youths cannot be working hard to sit on a wall while sitting and socializing on a graffiti covered wall.
The answer is no.

Q: Test for natural language inference.
Premise: "Two people stand on the rocks above the water and look at something."
Hypothesis: "A couple at the beach."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Two people together are not necessarily a couple. Rocks above the water do not necessarily imply a beach.
The answer is it is not possible to tell.