Assertion: nerve agent | /r/HasProperty | produced
Facets:
value: during the 1950s
type: TEMPORAL
Source sentences:
text: The nerve gases would not be used, for the time being at least, although they would continue to be produced and tested.
text: They included sarin, also called nerve agent GB, which was much more deadly than anything the United States had developed - although the even deadlier nerve agent VX would be produced during the 1950s.
text: The nerve gases would not be used, for the time being at least, although they would continue to be produced and tested.
text: The nerve gases would not be used, for the time being at least, although they would continue to be produced and tested.