Assertion: pointer | /r/CapableOf | alert their owners
Facets:
value: to
type: TRANSITIVE-OBJECT
Source sentences:
text: Pointers are not natural watchdogs although this is not to say a dog would not be quick off the mark to let an owner know when there are strangers about although they would rarely do this aggressively, preferring to keep their distance while alerting their owners to what they perceive as being threatening.