<qa>  What is the name of the group that is categorized into four color coded groups?RTS Systolic blood pressure SBP, Glasgow coma scale GCS, and respiratory rate RR The Gerdin et al. model SBP, heart rate HR, and GCS GAP age, SBP, and GCS KTS SBP, GCS, RR, and number of serious injuries Clinical judgement Clinicians assign a triage category to trauma patients by categorising them into four color coded groups. The groups are green, yellow, orange, and red. The colors are intended to represent trauma severity and how soon patients needs to be treated, with green corresponding to the least severe patient and red to the most severe patient. 