Assertion: multiple sclerosis's symptom | /r/HasProperty | vision problems
Facets:
Source sentences:
text: Symptoms of MS include muscle weakness (often in the hands and legs), tingling and burning sensations, numbness, chronic pain, coordination and balance problems, fatigue, vision problems, and difficulty with bladder control.
text: Symptoms of optic neuritis include vision problems, painful eyes, and temporary vision loss.