Assertion: greyhound's dog | /r/HasProperty | known to man
Facets:
Source sentences:
text: This can be attributed to the fact that they are also the oldest and purest breed of dog known to man, dating back as far as 6000 B.C.
text: Greyhounds are one of the oldest and earliest breeds of dogs known to man.
text: the oldest, breed of dog known to man.
text: Greyhounds are one of the oldest and earliest breeds of dogs known to man.