Kidneys<br>My friend Cam's back started hurting him. He went to urgent care. They said his kidneys were not functioning well. He went to his pcp, a urologist, and a nephrologist. They are still running tests.
Kidneys are located in the torso
Poor kidney health causes back pain because the kidneys are in that area. I think the system got it wrong because I introduced an unfamiliar concept
( z1 kidney :location ( z2 torso ) )