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: ENT
The site of lesion in unilateral past pointing nystagmus is- 
Select and explain. 
A. Posterior semicircular canal, B. Superior semicircular canal, C. Flocculonodular node, D. Cerebellar hemisphere
D: Cerebellar hemisphere
Answer: D: Cerebellar hemisphere 
Explanation: None