Assertion: mustard gas | /r/ObjectUse | used in other conflicts
Facets:
value: since world war i
type: TEMPORAL
value: against people
type: TRANSITIVE-OBJECT
Source sentences:
text: Since World War I, mustard agent has been used in several wars or other conflicts, usually against people who cannot retaliate in kind:
text: Since World War I, mustard agent has been used in several wars or other conflicts, usually against people who cannot retaliate in kind:
text: Since World War I, mustard agent has been used in several wars or other conflicts, usually against people who cannot retaliate in kind: