This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological Disorders in Obs., Subject name: Gynaecology & Obstetrics
[{'content': "Which one of the following is not a germ cell tumour of ovary- \nSelect and explain. \nA. Dysgerminoma, B. Teratoma, C. Endodermal sinus tumor, D. Brenner's tumour", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Brenner's tumour Surface epithelial tumorsGerm cell tumorsSex cord stromal tumors* Serous tumor* Teratoma* Thecoma* Mucinous tumor* Dysgerminoma* Fibroma* Endometrial tumor* Endodermal sinus tumor* Granulosa-theca cell tumor* Clear cell tumor* Choriocarcinoma* Sertoli-leydig cell tumor* Brenner tumor * Hilus cell tumors* Cysadenofibroma", 'role': 'assistant'}]