[QUESTION] Can we conclude from "Three youths standing at the top of stairs talking." that "Kids playing at the park."?
Options:
- yes
- no
- it is not possible to tell
If they are at the top of the stairs talking they are not outside playing at the park.
The answer is no.

[QUESTION] Premise: "Trucks race in an obstacle course."
Hypothesis: "One truck is racing further ahead than the other."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Not all trucks race in an obstacle course is racing further ahead than the other.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man wearing a purple shirt is using a syringe in a lab."
Hypothesis: "A man is testing for a disease in a lab."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
There are other things that can be done with a syringe in a lab besides testing for a disease.
The answer is it is not possible to tell.

[QUESTION] If "Musicians perform outdoors." does that mean that "People are performing at a fair."?
Options:
- yes
- it is not possible to tell
- no
Although the musicians are performing outdoors there is nothing to suggest that they are performing at a fair.
The answer is it is not possible to tell.