Assertion: concussion | /r/CapableOf | produce symptom
Facets:
value: for days
type: TEMPORAL
value: for even
type: PURPOSE
value: for hours
type: TEMPORAL
Source sentences:
text: The impact of a car accident can cause a concussion that doesn’t produce symptoms for hours or even days.
text: However, to neurologists and neurosurgeons, a concussion is a blow that results in some symptoms associated with the injury to the nervous system but without a visible (on brain scans) disruption of the brain.