This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
in traige system of trauma centre YELLOW color indicates ? 
Select and explain. 
A. severe injury ,immobile patients, B. simple fractures, C. emergency case, D. morbid patient
A: severe injury ,immobile patients
Answer: A: severe injury ,immobile patients 
Explanation: ref : bailey and love 27th ed