there is a multiple vehicle collision on the freeway. you arrive after the fire department and law enforcement have closed the freeway and secured the scene. you notice multiple patients that are lying on the ground with massive wounds and blood pooling. a few patients are sitting on the barrier, talking and appear to have minimal injuries. lastly, there are a few patients still in their vehicles, and you notice firefighters working on extricating them. you are the only emergency medical staff available at this moment and are assigned to triage the scene. you decide to give the patients sitting on the barrier a triage priority number of?