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: Pharmacology
Cochlear involvement more than vestibular involvement drug ? 
Select and explain. 
A. Sisomycin, B. Kanamycin, C. Gentamycin, D. Streptomycin
B: Kanamycin
Answer: B: Kanamycin 
Explanation: Ans. is 'b' i.e., Kanamycin