Q: Premise: "Kids playing at a playground on a stack of tires."
Hypothesis: "Playgrounds never have accidents."
Do we know that the hypothesis entailed by the premise?
A: Playing on a stack of tires will almost certainly cause an accident at the playground.
The answer is no.

Q: Test for natural language inference.
Premise: "Three people hang out in an alley after it rained."
Hypothesis: "Some people are standing in a wet alley."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: People hang out by standing in an wet alley. The alley is wet after it rained.
The answer is yes.

Q: Given the sentence "People running in a marathon in running clothes." can we conclude that "People walking in a mall."?
Options:
- yes
- it is not possible to tell
- no
A: People running a marathon cannot be simultaneously walking in a mall.
The answer is no.

Q: Given the sentence "A man smiling at the crowd." is it true that "The man is around a lot of people."?
A:
If a man is near a crowd then he is around a lot of people.
The answer is yes.