Assertion: tabun | /r/HasProperty | developed by germany
Facets:
value: during world war ii
type: TEMPORAL
Source sentences:
text: The organophosphorus nerve agents Tabun, Sarin, and Soman were developed by Germany during World War II but not used.
text: The organophosphorus nerve agents Tabun, Sarin, and Soman were developed by Germany during World War II but not used