Q:

Statement: Increasing levels of air pollution is creating health hazards for people living in the cities.
Courses of action :
I. All industries should be shifted immediately to the outskirts of the cities.
II. Transport authorities should immediately ban all the vehicles running on petrol.

• 1
  if only I follows.
• 2
  if only II follows.
• 3
  if either I or II follows.
• 4
  if neither I nor II follows.