A statement is 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 enfor ed strictly?

Arguments :

I No, each individual knows how to protect his own life and it should be left to his discretion.

Il Yes, it is a rule and rules should be followed strictly by all.

III Yes, it is a 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.