Assertion: airport security | /r/CapableOf | tighten in canada
Facets:
value: in order to prevent any attacks
type: PURPOSE
value: since the september 11 attacks
type: TEMPORAL
value: since other incidents
type: TEMPORAL
Source sentences:
text: Since the September 11 attacks, as well as the Air India bombing in 1985 and other incidents, airport security has tightened in Canada in order to prevent any attacks in Canadian Airspace.