This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cerebrum, Subject name: Anatomy
[{'content': 'Largest commissural fibers are seen in - \nSelect and explain. \nA. Anterior commissure, B. Posterior commissure, C. Hebnular commissure, D. Corpus callosum', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., Corpus callosum "Corpus callosum is largest cerebral commissure " -Textbook of Neuroanatomy', 'role': 'assistant'}]