Assertion: continent's state | /r/HasProperty | rare occurrence
Facets:
value: throughout the pleistocene
type: TEMPORAL
value: relatively
type: DEGREE
Source sentences:
text: Because sea level has been 30 meters or more lower throughout much of the last 800,000 years, the current state of Borneo, Java, and Sumatra as islands has been a relatively rare occurrence throughout the Pleistocene.