[QUESTION] Premise: "A boy smiles standing in front of a swimming pool."
Hypothesis: "A kid is ready to swim."
Do we know that the hypothesis entailed by the premise?
A boy smiles standing in front of a swimming pool does not necessary that a kid is ready to swim.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A brown dog chases a blond one in the grass."
Hypothesis: "The two dogs are playing together."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The fact that a brown dog chases a blond one in the grass does not imply that they are playing together.
The answer is it is not possible to tell.

[QUESTION] If "A pit crew working on a race car." does that mean that "The pit crew is playing golf."?
Options:
- yes
- it is not possible to tell
- no
If a pit crew is working on a race car they are not playing golf.
The answer is no.

[QUESTION] Premise: "Two men are cleaning up dried leaves using leaf-blowers."
Hypothesis: "The two men are brothers."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Men can clean up dried leaves using leaf-blowers and not be brothers.
The answer is it is not possible to tell.