PRA @960 (100.0%) on 10-nov-2015 [ "Y~_X0~concept:agentleadsorganization" "Y~_X0~concept:agentrepresentsorganization" "Y~_X0~concept:personleadsorganization" "Y~_X0~concept:agentcontrols" "Y~X0~concept:agentleadsorganization" ] using (sarah_caldwell, opera_company_of_boston)