This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 1, Subject name: Anatomy
[{'content': 'Coicospinal fibers pass through which pa of internal capsule: \nSelect and explain. \nA. Posterior one-third of anterior limb, B. Anterior two-third of posterior limb, C. Posterior two-third of anterior limb, D. Anterior two-third of anterior limb', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Coicospinal fibers pass through the anterior two-third of the posterior limb of internal capsule. - Posterior 1/3 of posterior limb carries sensory fibers (including audio-visual pathways).', 'role': 'assistant'}]