Assertion: blepharospasm | /r/HasProperty | idiopathic
Facets:
value: in nature
type: LOCATION
value: most often
type: DEGREE
Source sentences:
text: Blepharospasm is idiopathic in nature, as the exact causes for the disease are still unknown.
text: Blepharospasm has been known to occur in variety of organic disorders and is most often idiopathic in nature.