[QUESTION] Premise: "This young man is determined to win the race."
Hypothesis: "A young man is racing in a track meet."
Do we know that the hypothesis entailed by the premise?
Win the race does not mean he is in a track meet.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A man with a camera wearing a blue shirt and jeans stands between two tall buildings."
Hypothesis: "A man is near two buildings."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Sentence 1 states that a man is between two tall buildings so therefore it would make sense that sentence 2 follows because he is near both buildings.
The answer is yes.

QUESTION: Given the sentence "Several dogs in muzzles are racing on the grass." can we conclude that "Several dogs are racing on the grass."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Several dogs in muzzles implies that they're several dogs racing and not attacking each other.
The answer is yes.

[QUESTION] Given the sentence "A man in a white shirt is leaning against a railing with a woman in a yellow shirt." can we conclude that "They are underwater."?
Options:
- yes
- it is not possible to tell
- no
One cannot be leaning against a railing if one is underwater.
The answer is no.

Q: Premise: "A older man walking down the street."
Based on this premise, can we conclude that the hypothesis "A man sitting on the street." is true?
Options:
- yes
- it is not possible to tell
- no
A: A man can not be walking and sitting at the same time.
The answer is no.

[QUESTION] If "A fabricator welds on a steel girder." does that mean that "A welder is hard at work."?
Options:
- yes
- it is not possible to tell
- no
A fabricator is welding on a steel girder therefore they are a welder.
The answer is yes.