Assertion: grassland | /r/HasProperty | referred in africa
Facets:
value: as savannas
type: OTHER
Source sentences:
text: Grasslands are one of the very few types of ecosystems that are known by so many names: in the Midwest of the United States, they are known as prairies; in South America, they are called pampas, in Central Europe and Asia, they have been named steppes whereas in Africa they are referred to as savannas .