This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
[{'content': 'All are pas of corpus callosum except \nSelect and explain. \nA. Forceps minor, B. Forceps major, C. Tapetum, D. Indusium griseum', 'role': 'user'}, {'content': "Answer: D \nExplanation: Thin layer of grey matter in contact with the dorsal surface of corpus callosum Ref: Gray's 39e/p-227", 'role': 'assistant'}]