Assertion: inorganic nitrate based explosive | /r/ObjectUse | used the 2011 delhi bombings
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Source sentences:
text: Ammonium nitrate-based explosives were used in the Sterling Hall bombing in Madison, Wisconsin, 1970, the Oklahoma City bombing in 1995, the 2011 Delhi bombings, the 2011 bombing in Oslo, and the 2013 Hyderabad blasts.