Q: Can we conclude from "A man wearing a white hard hat is lifting two pieces of rebar." that "The man is wearing a safety vest."?
Options:
- yes
- no
- it is not possible to tell
A: Wearing a white hard hat doesn't mean that person is wearing a safety vest.
The answer is it is not possible to tell.

QUESTION: Premise: "A man in a beige shirt and white hat stands looking at the bottom of a brown staircase which is decorated with colorful images of animals and designs."
Based on this premise, can we conclude that the hypothesis "A man is looking at the top of the staircase." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man can not be looking at the top and looking at the bottom of something at the same time.
The answer is no.

[QUESTION] Given the sentence "Two older men are sitting outside and one of them has his head down while the other is reading." is it true that "The man with his head down is napping."?
A man may have his head down and not be napping.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "This is a woman in a yellow coat looking for something she dropped while her male companion stares at the camera."
Hypothesis: "Two people in a laboratory looking for an item one of them dropped."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A woman looking for something she dropped while her male companion stares at the camera does not infer two people in a laboratory looking for an item one of them dropped.
The answer is it is not possible to tell.

QUESTION: Premise: "A child wearing a toboggan is running on a cobblestone plaza."
Hypothesis: "A child wearing a baseball cap is running on a cobblestone plaza."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A toboggan is not the same thing as a baseball cap.
The answer is no.

QUESTION: Can we conclude from "A pack of sled dogs pulling a sled through a town." that "The sled dogs are outside."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
A pack of sled dogs is the same as sled dogs.
The answer is yes.