Assertion: african ostrich | /r/CapableOf | call masai ostrich
Facets:
Source sentences:
text: The East African Ostrich (also called the pink-necked ostrich or Masai ostrich), North African ostrich (also called the Barbary or red-necked ostrich), and South African ostrich (also called the black-necked ostrich) are the extant subspecies of common ostriches.