Assertion: tibetan mastiff | /r/HasProperty | the oldest breed of dog
Facets:
Source sentences:
text: A primary ancestor of the Neapolitan Mastiff is the Tibetan Mastiff, the oldest breed of dog on the planet.
text: Hailing from the foothills of the Himalayas, the Tibetan Mastiff is considered to be one of the oldest breeds in existence, with Chinese records indicating it made its first appearance as early as 1100 BCE.