If certain preventive measures are practiced at the rural and semi urban areas the problem will be solved. But if the same is not practiced even at the cities the problem may roll into the city also, so the two effects are of some common cause.
Both the statements I and II are effects of independent causes. Because spreading malaria or to be suffering from malaria may be due to mosquitoes or dirtiness. But the decision of private medical practitioners to close the clinics may be due to other causes.
Since the Government has imported large quantities of sugar as per trade agreement with other countries, therefore, the prices of the sugar in the domestic market have fallen sharply in the recent months.