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': 'All are true regarding endometriosis, except: \nSelect and explain. \nA. Hormone dependent condition, B. Can involve lung, pleura, C. Contains clear fluid, D. Ovary is the most common site', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Whatever the inital genesis of endometriosis its further development depends mainly on estrogen (Option “a”).\n\xa0It can occur anywhere in body, Most common site being ovary(Option “d”).\xa0\n\xa0Can also involve lungs and pleura\xa0(Option “b”).\xa0\n\xa0In endometriosis ovary contains tarry dark brown fluid (due to presence of blood pigments like hemosiderin) and cul de sac has yellow brown fluid.\n\nClear fluid is not seen anywhere, So, Option “c” is incorrect.', 'role': 'assistant'}]