To say a skier is on a jump implies that they leapt off of a ski-jump ramp. This skier may have launched off of something less formal, like a mound of snow, or he could be falling off a cliff.


Context: "A skier is upside down on skis with trees in the background."
Hypothesis: A skier on a jump.
Based on the context, is the hypothesis true, false, or unknown?