Assertion: early period | /r/HasProperty | rare
Facets:
value: extremely
type: DEGREE
value: during this period
type: TEMPORAL
Source sentences:
text: The Early Helladic I period (or EHI), also known as the "Eutresis culture" c.3200–c.2650 BC, is characterized by the presence of unslipped and burnished or red slipped and burnished pottery at Korakou and other sites (metal objects, however, were extremely rare during this period).