Assertion: continent's size | /r/HasProperty | variable
Facets:
value: historically
type: TEMPORAL
value: extremely
type: DEGREE
Source sentences:
text: The size of the Sahara has historically been extremely variable, with its area rapidly fluctuating and at times disappearing depending on global climatic conditions.
text: The size of the Sahara has historically been extremely variable, with its area rapidly fluctuating and at times disappearing depending on global climatic conditions.