In the following question a statement is given followed by two courses of action. A course of action is taken for improvement, follow-up, etc. Read the statement carefully and give answer
1) if only course of action I follows.
2) if only course of action II follows.
3) if either course of action I or II follows.
4) if both courses of action I and II follow
5) if neither course of action I nor II follows.
Statements: Increasing levels of air pollution is creating health hazards for people living in the cities.
Courses of action:
I. All industries should be shifted to the outskirts of the cities.
II. Transport authorities should take steps for converting all public transport vehicles to run on CNG.

Explanation

4