A statement followed by four arguments numbered I, II, III & IV. Choose which of the argument (s) is/are strong argument (s)? Statement: Should the rule of wearing helmet for both driver and pillion rider while driving a motor cycle be enforced strictly? Arguments: I - No, each individuals knowns 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 necessity as the head is most sensitive/controlling organ, it should be protected by the helmet. IV - No, it does not ensure safety of the head.