In each of the following questions, two statements are given followed by two/four conclusions I, II, III and IV. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
Statements :
(a) All benches are table.
(b) No table is chair.
Conclusion:
I. All benches are chiars
II. All tables are benches
III. No tables are benches
IV. No benches are chairs 

Options

A. a) Only conclusion II follows
B. b) Only conclusion III follows
C. c) Only conclusion IV follows
D. d) Only conclusion I follow's

Answer

B

Explanation

First Premise is Universal Affirmative (A-type).
Second Premise is Universal Negative (E-type). 

`A+ E rArr` E-type of Conclusion
"No bench is chair."
This is Conclusion IV.