QUESTION: Given the sentence "A woman chases a young boy on sand in the sun outside." can we conclude that "The woman and the boy are building a sand castle."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A woman chasing a boy on sand doesn't mean the woman and boy are building a sand castle.
The answer is it is not possible to tell.

QUESTION: Premise: "People watch as two trains run on tracks."
Hypothesis: "People watch as two trains careen off some tracks."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: If trains run on tracks they do not careen off them.
The answer is no.

QUESTION: Given the sentence "A young man wearing a purple bandanna around his neck plays the guitar." is it true that "A guitarists performs in front of a crowd."?

Let's solve it slowly:
He could be playing by himself in front of no crowd.
The answer is it is not possible to tell.