Assertion: terrier's breed | /r/HasProperty | stubborn
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Little dogs with a big attitude, Jack Russells are also tenacious and stubborn breeds that can be a handful to train.
text: Sometimes, these breeds can be stubborn, so it is important for owners to be persistent and consistent when training.
text: The breed is stubborn and strong, therefore it is difficult to train and must be taught for the whole life.
text: This breed is stubborn, intelligent, confident and energetic.