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
Delusion of infidelity of pa of the sexual paner is known as: 
Select and explain. 
A. De Clerambault's syndrome, B. Couvade syndrome, C. Othello syndrome, D. Ekbim's syndrome
C: Othello syndrome
Answer: C: Othello syndrome 
Explanation: C. i.e. Othello syndrome