This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
[{'content': 'Most common presentation of vulval carcinoma is : \nSelect and explain. \nA. Pain, B. Wa, C. Non-healing ulcer, D. Pruritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The presenting features include vulval irritation and pruritus (70%), a vulval mass (60%) and bleeding (30%). Reference : Gynaecology illustrated 6th edition page no 171', 'role': 'assistant'}]