[QUESTION] Given the sentence "Five people looking at artwork." is it true that "People are observing art."?
Looking and observing describe the same action. Artwork is a type of art.
The answer is yes.

Q: If "Several men walking in the rain under an umbrella." does that mean that "Several men are walking along the beach in sunny weather."?
Options:
- yes
- it is not possible to tell
- no
A: The weather cannot be both rainy and sunny (or it is highly unlikely).
The answer is no.

QUESTION: Given the sentence "A dodgers player just beat the third-baseman's tag." is it true that "In a very close play."?

Let's solve it slowly: A Dodgers player slid into third base and beat the tag.
The answer is it is not possible to tell.

[QUESTION] Premise: "Workmen and excavation machines hard at work at a building site."
Hypothesis: "Workmen and excavation machines are doing some tough work on a building site."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Doing some tough work is the same as being hard at work.
The answer is yes.

Q: Given the sentence "Children at a riverbank stand near an umbrella." is it true that "A child stares at a poster of a riverbank."?
A: There are either multiple children or there is one child. The child is either at the riverbank or staring at a picture of one.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A man in a white hat is making smoothies."
Hypothesis: "The ice cream man makes smoothies."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man can wear a white hat without being an ice cream man.
The answer is it is not possible to tell.