A construction worker is a worker. If he is kneeling on the ground, then it would be correct to say that he is working on the ground.


Context: Facing downhill in a city street scene, a worker in kneeling on the ground adjusting something in front of several orange safety cones and a white drop-cloth.
Hypothesis: A construction worker is working on the ground

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?