[QUESTION] Premise: "A group of people in formal attire."
Hypothesis: "A group of people are wearing business attire."
Do we know that the hypothesis entailed by the premise?
They cannot wear formal attire and business attire at the same time.
The answer is it is not possible to tell.

Q: Given the sentence "A man in an orange draped outfit raking leaves." is it true that "A man in a wetsuit climbing a ladder."?
A: A wetsuit is a different costume to a draped outfit. Raking leaves is a different activity to climbing a ladder.
The answer is no.

QUESTION: Premise: "Two people riding yellow motorcycles."
Hypothesis: "Two stuntmen prepare to perform a difficult stunt."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Two people riding motorcycles does not imply the people are stuntmen or that they prepare to perform a difficult stunt.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Three city workers in hard hats are pouring cement from a truck and laying sidewalk."
Hypothesis: "The workers are pouring cement for a new sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Workers need to pour cement in order to create a new sidewalk.
The answer is yes.

Q: If "People looking at the ocean." does that mean that "Tourists are looking at the pacific ocean."?
Options:
- yes
- it is not possible to tell
- no
A: Not all people are tourists and not all oceans are the Pacific Ocean.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A woman in a long." is it true that "Black dress carries a tray on top of her head."?
A woman wearing a dress and carrying a tray on her head.
The answer is yes.