Assertion: terrorist group's member | /r/CapableOf | introduce tree spiking
Facets:
value: in 1984
type: TEMPORAL
value: as a tactic
type: PURPOSE
value: in an effort
type: TEMPORAL
Source sentences:
text: In 1984, however, members introduced "tree spiking" (insertion of metal or ceramic spikes in trees in an effort to damage saws) as a tactic to thwart logging.