A statement is followed by four arguments numbered I, II, III & IV. Choose which of the argument(s) is/are strong. Statement: Should the rule of wearing a helmet for both driver and pillion rider while driving a motorcycle be enforced strictly? Arguments: I. No, each individual knows how to protect his own life and it should be left to his discretion. II. Yes, it is a rule and rules should be followed strictly by all. III. Yes, it is a necessity as the head is the most sensitive/controlling organ; it should be protected by a helmet. IV. No, it does not ensure safety of the head.