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': 'All are components of basal ganglia except- \nSelect and explain. \nA. Thalamus, B. Amygdaloid nucleus, C. Substantia nigra, D. Globus pallidus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Basal ganglia-Structural components Functional components- Caudate Putamen Globus pallidus Amygdaloid nucleus Sub thalamic nucleus Substantia nigra', 'role': 'assistant'}]