Assertion: wolf's dog | /r/HasProperty | c. familiaris
Facets:
Source sentences:
text: It is not known for sure just when the divergence occurred that split the ancestors of our domestic dog, C. familiaris, from the grey wolf, C. lupis, but it us thought to have occurred about four million years ago
text: The domestic dog (Canis familiaris), conversely, was one of the first tame animals.