Assertion: concussion's symptom | /r/HasProperty | confused
Facets:
Source sentences:
text: Common symptoms include a persistent headache, dizziness, nausea, some level of memory loss, trouble with balance, being confused or dazed, as well as changes in behavior (such as mood swings, emotionality, and demotivation).
text: The most common symptoms of concussion are headache, amnesia, and confusion.