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: Forensic Medicine
Not diagnostic of schizophrenia: WB 10 
Select and explain. 
A. Disorganized behavior, B. Suicidal attempt, C. Delusions, D. Catatonia
B: Suicidal attempt
Answer: B: Suicidal attempt 
Explanation: Ans. Suicidal attempt