Assertion: emu | /r/PartOf | a group of flightless birds
Facets:
Source sentences:
text: They belong to a group of flightless birds called ratites.
text: Emus belong to a group of flightless birds called ratites, which evolved on Gondwana continent and are not found in the Northern Hemisphere.
text: Emus belong to a group of flightless birds known as ratites, and can run at speeds of up to 50km per hour.
text: Emus and ostriches, both belong to a group of flightless birds called ratites.