[QUESTION] Premise: "A middle-aged man shines black leather shoes."
Hypothesis: "A young man has his shoes shined by an old old guy."
Do we know that the hypothesis entailed by the premise?
Someone who is middle-aged would not be described as old old.
The answer is no.

Q: Given the sentence "Several workers doing various repairs and cleaning steps and statues on a monument." can we conclude that "City workers are cleaning a monument after a large gathering."?
Options:
- yes
- it is not possible to tell
- no
A: There was nothing to indicate or infer that a large gathering had occurred.
The answer is it is not possible to tell.

QUESTION: Premise: "A girl is riding a bike and everyone is rushing by her in the city."
Based on this premise, can we conclude that the hypothesis "The girl is riding a bike." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The girl is riding a bike and everyone is rushing by her in the city.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A man and woman are apparantly laughing."
Hypothesis: "The 2 people have just witnessed a horrible car accident involving family members."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
People can not be laughing and witness a horrible car accident at the the same time.
The answer is no.

Q: Given the sentence "Two dogs with their heads down a hole and their tails are sticking straight up." can we conclude that "Two brown dogs are outside."?
Options:
- yes
- it is not possible to tell
- no
A: Just because dogs have their heads down a hole doesn't imply they are outside and doesn't imply the dogs are brown.
The answer is it is not possible to tell.

[QUESTION] If "The man in the black hat holds the brown hair woman's necklace." does that mean that "The man has no clothing of any kind."?
Options:
- yes
- it is not possible to tell
- no
The man is either wearing a black hat or is wearing nothing at all. He cannot wear both simultaneously.
The answer is no.