Assertion: tabun | /r/ObjectUse | used in wwii
Facets:
Source sentences:
text: At the end of World War II, Tabun was rarely ever seen in war but it still was used although but not as much as it was used in WWII.
text: Tabun hasn't been used to much because of new chemical weapons which seemed to be much more effective than Tabun but it was used only once after WWII.