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: Gynaecology & Obstetrics
[{'content': 'Which one of the following is the most common problem associated with the use of condom : \nSelect and explain. \nA. Increased monilial infection of vagina, B. Premature ejaculation, C. Contact dermatitis, D. Retention of urine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Contact dermatitis', 'role': 'assistant'}]