Assertion: sarin | /r/ObjectUse | used in the past
Facets:
Source sentences:
text: Q: Has sarin been used much in the past?
text: Q: Has sarin been used much in the past?
text: In Douma, Syria, the specifics aren’t exactly known about the agents used, but most sources say it was some sort of combination of chlorine and an unknown nerve agent, though sarin has been used in Syria in the past — in April, 2017 and August, 2013.
text: Q: Has sarin been used much in the past?