1.  Statements: All the windows are doors. No door is a wall. 
Conclusions: 

1. Some windows are walls. 
2. No wall is a door.

A. Only (1) conclusion follows
B. Only (2) conclusion follows
C. Either (1) or (2) follows
D. Neither (1) nor (2) follows
E. Both (1) and (2) follow

Answer: Option B

Explanation: