Assertion: electric toothbrush's bristle | /r/HasProperty | arranged in circle
Facets:
value: on a brush head
type: LOCATION
Source sentences:
text: Sonic toothbrushes also feature bristles arranged in a circle on a brush head that oscillates back and forth, but much faster than oscillating toothbrushes.
text: Its motion is to rotate, either through the holder where the bristles are arranged in a circle, or each clump of bristles rotate or spin.