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
Section 377 deals with - 
Select and explain. 
A. Adultery, B. Rape, C. Incest, D. Unnatural sexual offence
D: Unnatural sexual offence
Answer: D: Unnatural sexual offence 
Explanation: Section 377 IPC defines unnatural sexual offences and lays down punishment for the same.