Assertion: electric toothbrush's head | /r/HasAspect | two parts
Facets:
Source sentences:
text: Dual-head: The head has two parts; one which oscillates and one which vibrates from side to side.
text: The head has two parts; one which oscillates and one which vibrates from side to side.
text: Dual-head: The head has two parts; one which oscillates and one which vibrates from side to side.
text: The head has two parts; one which oscillates and one which vibrates from side to side.