Assertion: flying buttress | /r/CapableOf | strengthen building
Facets:
Source sentences:
text: The Gothic edifices were unique, in that they were not only high-rising structures bearing pointed arches and ribbed ceilings, but they also had a set of their own distinguishing features, such as highly embellished, stained glass windows that added to the decorative ambiance of the structures, and of course, the external flying buttresses, which were added to strengthen the buildings.