Assertion: border collie's dog | /r/CapableOf | become unhappy
Facets:
Source sentences:
text: If confined without activity and company, these dogs can become unhappy and destructive.
text: If confined without activity and company, these dogs can become unhappy and destructive.
text: If confined without activity and company, these dogs can become unhappy and destructive.
text: If confined without activity and company, these dogs can become unhappy and destructive.