Assertion: electric toothbrush's bristle | /r/AtLocation | bottom
Facets:
value: often
type: TEMPORAL
value: with brushing the tooth surface
type: MANNER
value: in an attempt
type: TEMPORAL
Source sentences:
text: Longer bristles are often at the top and bottom of the brush head, in an attempt to reach in between the teeth, with shorter bristles in the center brushing the tooth surface.