PRA @960 (100.0%) on 10-nov-2015 [ "Y~_z-concept:sportsleague:nfl~concept:leaguestadiums" "Y~_z-concept:sportsleague~specializations,concept:organizationactsinlocation" "Y~X0~concept:agentinteractswithagent,concept:organizationhasperson,concept:athleteplaysforteam,concept:teamhomestadium" "Y~X0~concept:agentcollaborateswithagent,concept:organizationhasperson,concept:athleteplaysforteam,concept:teamhomestadium" "Y~X0~concept:agentinteractswithagent,concept:agenthierarchicallyaboveagent,concept:athleteplaysforteam,concept:teamhomestadium" ] using (joey_porter, heinz_field)