Read the following statements and find out the incorrect statements.
a. The ventral portion of the midbrain consists mainly of four round swellings (lobes) called corpora quadrigemmina.
b. Midbrain and hindbrain form the brain stem.
c. Cerebellum consists of fibre tracts that interconnect different regions of brain.
d. The midbrain receives and integrates visual, lactile and auditory inputs.
e. Limbic system is concerned with olfaction and autonomic responses.