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': 'Commonest site for fibroid is : \nSelect and explain. \nA. Submucous, B. Intramural, C. Subserous, D. Cervical', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Intramural', 'role': 'assistant'}]