Assertion: opera | /r/HasProperty | some of the best
Facets:
value: past in centuries
type: TEMPORAL
Source sentences:
text: The operas performed here are some of the best in the world, in centuries past and today.
text: However, Selva's design and finished opera house appears to have been of high quality and the one best suited to the limitations of the physical space it was obliged to inhabit.