The Contractor shall provide 4–6 role players per training session, 4 sessions per week, to support K-9 training scenarios in both indoor and outdoor settings. Role players will simulate bystanders, i... The Contractor shall provide 4–6 role players per training session, 4 sessions per week, to support K-9 training scenarios in both indoor and outdoor settings. Role players will simulate bystanders, individuals carrying scent aids, and passersby in high-foot-traffic simulations.