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: Psychiatry
Which of the following is an example of Subcortical dementia? 
Select and explain. 
A. Alzheimer's disease, B. Creuzfeldt - Jakob disease, C. Huntington's disease, D. Frontotemporal Dementia
C: Huntington's disease
Answer: C: Huntington's disease 
Explanation: Huntington's disease affects basal ganglia & hence comes under the class of Subcortical dementia.