Assertion: stingray | /r/CapableOf | lash its tail
Facets:
value: as a defensive measure
type: PURPOSE
Source sentences:
text: A stingray lashes its tail only as a defensive measure when it is caught, stepped on, or otherwise disturbed.
text: They lash their tails when stepped on, and large stingrays can exert enough force to drive their tail spines into a wooden boat.