Assertion: school bus's stop sign | /r/HasProperty | withdrawn
Facets:
Source sentences:
text: Pennsylvania: Motorists must stop at least 10 feet away from the school bus, and then wait until the red lights have stopped flashing and the swinging stop sign has been withdrawn before proceeding.
text: Stop and wait until the red lights stop flashing, the extended stop sign is withdrawn and the bus begins moving before starting to drive again.