A blacksmith has five iron articles A, B, C, D and E, each having a different weight.
(i) A weighs twice as much as B.
(il) B weighs four and a half times as much as C.
(iii) C weighs half as much as D.
(iv) D weighs half as much as E.
(v) E weighs less than A but more than C.
Which of the following is the lightest in weight?