Assertion: ceiling's side | /r/CapableOf | tumble into narrow way
Facets:
Source sentences:
text: One instant all was quiet and stability--the next, and the world rocked, the tortured sides of the narrow passageway split and crumbled, great blocks of granite, dislodged from the ceiling , tumbled into the narrow way, choking it, and the walls bent inward upon the wreckage.