This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Which is not an inflammatory stage in pneumonia 
Select and explain. 
A. Organisation, B. Congestion, C. Resolution, D. Hepatisation
A: Organisation
Answer: A: Organisation 
Explanation: Ans. is 'a' i.e., Organisation