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: Pharmacology
NSAID lacking anti-inflammatory action is : 
Select and explain. 
A. Paracetamol, B. Ibuprofen, C. Diclofenac sodium, D. Celecoxib
A: Paracetamol
Answer: A: Paracetamol 
Explanation: None