[Q] Given the sentence "A female ice skater is lifting her leg and nearly touching her skate with her hand." is it true that "The ice skater competes in a competition."?
[A] An ice skater competes in a competition during a very small amount of the time an ice skater compared to amount of time they spend doing leg lifts.
The answer is it is not possible to tell.

[Q] Premise: "A musician wearing a black shirt is playing bass guitar while kneeling."
Hypothesis: "The man is a musician."
Do we know that the hypothesis entailed by the premise?
[A] Not all musicians are men and not all musicians wear black shirts. We cannot know the musician plays a bass guitar while kneeling.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "Man on stilts walks in front of a group of children in coats."
Hypothesis: "A man on stilts is the children's teacher."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] The man on stilts need not necessarily be the children's teacher.
The answer is it is not possible to tell.