Assertion: concussion's symptom | /r/HasProperty | disappeared for at least a week
Facets:
value: completely
type: DEGREE
Source sentences:
text: The Academy recommends that athletes whose symptoms -- headaches, nausea, amnesia, blurred vision -- do not clear up within 15 minutes, or who lose consciousness even briefly, be kept out of competition until their symptoms have disappeared completely for at least a week.