Assertion: lead pencil's lead | /r/HasProperty | retracted
Facets:
value: by pushing the button
type: MANNER
value: automatically
type: MANNER
value: due to the built-in mechanism
type: CAUSE
value: inwards
type: MANNER
Source sentences:
text: When excess vertical pressure is applied on the lead, the lead is automatically retracted inwards.
text: Due to the built-in mechanism, the lead is retracted by pushing the button at the other end of the device.