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
Folie a deux is seen in - 
Select and explain. 
A. Hysteria, B. Paranoid, C. OCD, D. Neurasthenia
B: Paranoid
Answer: B: Paranoid 
Explanation: Folie a deux (sharing of delusion) is seen in induced paranoid disorder (induced delusional disorder).