The following are multiple choice questions (with answers) about medical knowledge.   **Question:** All are causes of subcortical dementia except -   (A) Alzheimer's disease   (B) Parkinson's disease   (C) Supranuclear palsy   (D) HIV associated dementia
["(A) Alzheimer's disease <> answer", 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', "(A) Alzheimer's disease \n (B) Parkinson's disease \n (C) Supranuclear palsy \n (D) HIV associated dementia <> possible answers", '  All are causes of subcortical dementia except - <> context@']