[QUESTION] Premise: "A white dog is trying to catch a ball in midair over a grassy field."
Hypothesis: "The dog is chasing a ball that someone threw."
Do we know that the hypothesis entailed by the premise?
A dog trying to catch a ball doesn't necessarily imply someone threw the ball.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "People using an outdoor ice skating rink." can we conclude that "The people are outdoors."?
Options:
- yes
- it is not possible to tell
- no
If the rink is outdoors and people are using the rink then the people are outdoors.
The answer is yes.

[QUESTION] Premise: "A little boy rides a bike down a hill on a miniature dirt bike."
Hypothesis: "A little boy is riding outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The boy rides on a hill on a dirt bike so he is riding outside.
The answer is yes.

[QUESTION] If "Several people are trying to climb a ladder in a tree." does that mean that "People are climing a ladder."?
Options:
- yes
- it is not possible to tell
- no
People are trying to get up a tree using a ladder.
The answer is yes.