Statement: "Do not lean out of the moving train." - A warning in the railway compartment.Assumptions:Such warnings will have some effect.Leaning out of a moving train is dangerous.It is the duty of railway authorities to take care of passengers safety.

Statement: "Do not lean out of the moving train." - A warning in the railway compartment.
Assumptions:
Such warnings will have some effect.
Leaning out of a moving train is dangerous.
It is the duty of railway authorities to take care of passengers safety.

Only I and II are implicit

Only II and III are implicit

Only II is implicit

All are implicit

Explanation:

Answer: Option D
Explanation:
The warning against leaning out of moving train is made to heed against the dangers involved. So, both I and II are implicit. Since the warning has been put up in the railway compartment, so III is also implicit.