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
The period of normalsy is seen between two psychosis. The diagnosis is: 
Select and explain. 
A. Schizophrenia, B. Manic Depressive Psyhosis (MDP), C. Alcoholism, D. Depression
B: Manic Depressive Psyhosis (MDP)
Answer: B: Manic Depressive Psyhosis (MDP) 
Explanation: B i.e. Manic depressive psychosis