In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.
Statement : Should mango export be banned to bring down domestic prices?
Argument I : Yes, environmentalists and dietitians too encourage eating only local fruits.
Argument II : No, exports bring in valuable foreign currency.