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 of the following is associated with bad prognosis - 
Select and explain. 
A. Catatonic schizophrenia, B. Hebephrenic schizophrenis, C. Paranoid schizophrenia, D. Undifferentiated
B: Hebephrenic schizophrenis
Answer: B: Hebephrenic schizophrenis 
Explanation: None