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: Psychiatry
Which subtype of schizophrenia carries the best prognosis - 
Select and explain. 
A. Undifferentiated, B. Catatonic, C. Pranoid, D. Hebephrenic
B: Catatonic
Answer: B: Catatonic 
Explanation: None