In the questions below, few statements are given depicting an issue or a problem. You have to assume everything in the statements to be true even if they are at variance from commonly known facts, and on the basis of the information given in the statements, decide which of the suggested courses of action logically follow(s) for pursuing. Statement: Over the past month, several villages located near the river Narmada have reported severe water contamination. Residents complain of foul smell and unusual colour in the drinking water, and many cases of stomach infections have been recorded. Courses of Action:
I. The health department should immediately arrange for clean drinking water to be supplied to the affected villages.
II. The government should permanently shut down all industries located within 50 kilometres of the river.
III. An investigation should be launched to identify the exact source of contamination in the river.