1.  Statements: All rooms are hotels. All hotels are buildings. All buildings are mountains.
Conclusions: 

1. Some mountains are hotels. 
2. Some buildings are rooms. 
3. Some mountains are rooms

A. Only (1) and (2) follows
B. Only (1) and (3) follows
C. Only (2) and (3) follows
D. All (1), (2) and (3) follows
E. None of these

Answer: Option D

Explanation:

All (1), (2) and (3) follows