Assertion: dog's home | /r/HasProperty | human
Facets:
Source sentences:
text: Little is known about these dogs, or the dogs in developed countries that are feral, stray or are in shelters, because the great majority of modern research on dog cognition has focused on pet dogs living in human homes.
text: Most modern research on dog cognition has focused on pet dogs living in human homes in developed countries, which is only a small fraction of the dog population and dogs from other populations may show different cognitive behaviors.