In a given question below is a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.
Give answer
(a) if only conclusion I follows, (b) if only conclusion II follows,
(c) if either I or II follows,
(d) if neither I nor II follows: and
(e) if both I and II follow
Statement: Water supply in wards A and B of the city will be affected by about `50%` on Friday because repairing work of the main lines is to be carried out.
Conclusion: I. The residents in these wards should economise on water on Friday.
II. The residents in these wards should store some water on the previous day.

Explanation

(e) : if both I and II follows,