Question and answer: Q: If "Firemen in uniform standing on a wet street looking up at a building." does that mean that "Firemen in uniform standing on a wet street looking up at a building that is engulfed in flames."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation: Because firemen are looking up at a building doesn't imply the building is engulfed in flames.

Question and answer: Q: Test for natural language inference.
Premise: "A cook in a black shirt and checkered bandanna cooks on an industrial style stove."
Hypothesis: "A cook is cooking on a stove."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: yes
Explanation: A cook cooking on a stove could be using an industrial style stove and could be in a black shirt and bandanna.

Question and answer: Q: Given the sentence "A dog plays with a soccer ball." is it true that "The dog is sleeping."?
A: no
Explanation:
A dog cannot be playing and sleeping at the same time.