Statement A major railway accident involving a mail train was averted due the presence of mind of one signal man at a wayside cabin. Courses of Action I. The railway track for at least 50 km should be cleared off any traffic ahead of all mail trains. II. The railway signaling systems should immediately be made automatic. III. The signal man should be rewarded so as to encourage others.

• All foloow
• None Follows
• Both I and II follows
• Both II and III follows