Assertion: sarin | /r/ObjectUse | used in the august 21st
Facets:
Source sentences:
text: The issue of the solubility of hexamine in isopropanol was presented by Postol as evidence that hexamine could not be possibly used as an acid scavenger, but this made assumptions about the exact process used to mix the precursors used to produce the Sarin used in the August 21st 2013 attacks.