Which of the following statements are true about the brain?
(i) The main thinking part of the brain is the hindbrain
(ii) Centers of hearing, smell, memory, sight, etc are located in forebrain.
(iii) Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hindbrain
(iv) Cerebellum does not control the posture and balance of the body
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)