Assertion: mustard gas | /r/HasProperty | weapon
Facets:
value: from a bygone era
type: TEMPORAL
value: in saddam hussein’s chemical arsenal
type: LOCATION
value: in the end
type: MANNER
Source sentences:
text: In the end, mustard gas is still a weapon, but now it fights on our side in the war on cancer…perhaps it will someday save more lives than it has taken.
text: Mustard gas, produced domestically in Iraq with assistance from Britain, France, the U.S., West Germany and Holland was another weapon in Saddam Hussein’s chemical arsenal.  
text: Mustard gas was a weapon that was used indiscriminately during World War One, causing widespread injury and burns, as well as affecting the eyes.
text: Mustard gas is a weapon from a bygone era.