[QUESTION] Given the sentence "Two men dressed in black pants and shirts are lounging outside a door." is it true that "Two men are dressed in black pants because it is cold."?
The men are dressed in black pants but not necessarily because it is cold.
The answer is it is not possible to tell.

Q: Can we conclude from "A man wearing a cone shaped thatch hat is balancing two heavy items attached to the ends of a pole that is resting on his shoulder." that "The man is diving into a pool."?
Options:
- yes
- no
- it is not possible to tell
A: A man balancing two heavy items attached to the ends of a pole is definitely not the one diving into a pool.
The answer is no.

QUESTION: Premise: "A young man holding a gun in a boat."
Hypothesis: "A navy seal holds his machine gun as the ship approaches land."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man could be anything other than a Navy seal. There are may kinds of guns other than machine guns and a boat could docked or going anywhere other than toward land.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two young girls sitting on an all terrain vehicle."
Hypothesis: "Two old men use walkers to get down the hallway."
Do we know that the hypothesis entailed by the premise?
Girls are not men. Walkers require walking so a person cannot be sitting simultaneously.
The answer is no.

Q: Premise: "A man in a red helmet holds a bullhorn."
Hypothesis: "The man who was wearing a red firefighting helmet was also holding a bullhorn full of water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Not all red helmets are firefighting helmets and there is no indication that the bullhorn is full of water.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A gray dog is bouncing a soccer ball on his head in a grass field."
Hypothesis: "The dog's owner is teaching the dog tricks."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The dog's owner may not be present. Maybe the dog already knows the trick and is not currently being trained.
The answer is it is not possible to tell.