Assertion: rouge's leader | /r/HasProperty | involved in extermination
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Source sentences:
text: He said the leaders, Nuon Chea, the regime's chief ideologue and former deputy to late leader Pol Pot and Khieu Samphan, the former head of state, together in a "joint criminal enterprise" were involved in murder, extermination, political persecution and other inhumane acts related to the mass eviction of city-dwellers, and executions of enemy soldiers.