1.  Statement : "Do not lean out of the moving train." - A warning in the railway compartment.
Assumptions :

I. Such warning will have some effect.
II. Leaning out of a moving train is dangerous.
III. It is duty of railway authorities to take care of passengers' safety.

A. Only I and II are implicit.
B. Only II and III are implicit.
C. Only II is implicit.
D. Only I and III are implicit.
E. All are implicit.

Answer: Option E

Explanation:

The warning against leaning out 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.