which of the three given suggested courses of action logically follows for pursuing.

Statement : In one of the worst accidents in railway level crossing fifty people died when a bus 

                      carrying them collided on to a running train.

Courses of  : I. Th e train drive r should immediately he suspended,

    action        II. The drive r of the bus should be tried in court for negligence on his part.

                      III. Th e railway authority should be asked to man all its level crossings.