In each of the following questions five or six sentences are given. These are labelled as A, B, C, D, E and F. Rearrange these sentences in a proper sequence to form a meaningful paragraph; then answer the questions given below them.

A. classroom discussion can be initiated in order to answer this very question.

B . An electric current could not be made to traverse distilled water.

C .Yet when salt and distilled water were mixed, then the solution became a liquid through which electricity could pass with ease.

D .Neither would solid salt offer free passage to electricity.

E .How could one explain this strange behavior of solution.

F . And, as the current passed through this solution, a deep seated decomposition took place

Which of the following will be the FOURTH sentence?