Difficulty: Medium
Correct Answer: Only II follows
Explanation:
Introduction / Context:
The stated cause of the collision is signalling failure. Rational courses must be aligned to the identified root cause and should avoid punitive steps against individuals without inquiry.
Given Data / Assumptions:
Concept / Approach:
Terminate vs. investigate: Termination (I) presumes motorman error despite a systems failure being cited. Systems engineering demands audits and technical remedies first; individual accountability, if any, should follow investigation.
Step-by-Step Solution:
Verification / Alternative check:
Rail safety practice prioritizes independent investigation, safety recommendations, and corrective actions (hardware redundancy, procedural safeguards).
Why Other Options Are Wrong:
Common Pitfalls:
Attributing complex failures to frontline staff without systemic review.
Final Answer:
Only II follows.
Discussion & Comments