Assertion: dog | /r/HasProperty | alone
Facets:
Source sentences:
text: They also stopped doing the trick much faster than if they were alone and not getting a reward.
text: This was further attributed to jealously as these signs of agitation appeared more frequently in the experiment with pairs of dogs than in times when a dog was alone and was refused a reward.
text: Later studies support coevolution in that dogs can discriminate the emotional expressions of human faces, and that most people can tell from a bark whether a dog is alone, being approached by a stranger, playing, or being aggressive, and can tell from a growl how big the dog is.