1.  Statements: Some rivers are hills. No hill is taxi. All taxis are buses. 
Conclusions: 

1. Some buses are rivers. 
2. Some taxis are rivers. 
3. No bus is river.

A. None follows
B. Only (1) follows
C. Only (2) follows
D. Only (3) follows
E. Only either (1) and (3) follows

Answer: Option E

Explanation:

Only either (1) and (3) follows