Assertion: brownstone | /r/HasProperty | renovated since their original construction
Facets:
value: due to their long lifespan
type: CAUSE
value: over
type: TEMPORAL
value: several times
type: TEMPORAL
Source sentences:
text: Due to their long lifespan, many brownstones have been renovated several times over since their original construction, while others haven’t been touched at all since the ‘30s and ‘40s.