Read the following information and answer the questions given below:
i. C is not duller than B
ii. D is brighter than A, but duller than E. One of the following statements will enable you to list the five persons in the order of their brightness(or dullness).
I. A is duller than E.
II D is brighter than B.
III. C is duller than A.
IV. B is brighter than A.