Assertion: mustang's ancestor | /r/HasProperty | domesticated
Facets:
Source sentences:
text: Horses that live in an untamed state but have ancestors that have been domesticated are not truly "wild" horses; they are feral horses.
text: A truly wild horse is a species or subspecies with no ancestors that were ever domesticated.
text: It is believed that the ancestors of the modern Fjord horse migrated to Norway and were domesticated over 4,000 years ago.