Assertion: electric toothbrush's feature | /r/CapableOf | use position detection
Facets:
value: to track it
type: PURPOSE
Source sentences:
text: Bluetooth connects the toothbrush to its app to deliver the so-called “AI Motion Sensor” feature, which uses position detection to track how you brush and compares it to a database of how others brush so it can give you real-time advice.