Assertion: pepper spray's gas | /r/HasProperty | a chemical weapon
Facets:
value: for decades
type: TEMPORAL
Source sentences:
text: “Your reminder that tear gas is a chemical weapon banned in war.
text: Tear gas is a chemical weapon used in combat and by the forces for decades.
text: Tear gas is a chemical weapon that irritates the eyes and causes pain, vomiting, and temporary blindness.