Assertion: lupus's disease | /r/HasProperty | hard
Facets:
Source sentences:
text: With its constellation of quirky symptoms (many of which can mimic other conditions), lupus is a hard disease to diagnose, leading some to call it
text: Lupus is a hard disease to diagnose because its symptoms are similar to other conditions, such as rheumatoid arthritis, fibromyalgia and heart disease.