Statement Every year, at the beginning or at the end of the monsoon, we have some cases of conjunctivitis, but this year it seems to be a major epidemic, witnessed after nearly four years. Courses of Action I. Precautionary measure should be taken after very four years to check the epidermic, II. People should be advised to drink boiled water during the monsoon season.

• if only I f0llows
• if only II follows
• if either I or II follows
• if neither I nor II follows