Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statement :

 All cars are sofa

All sofa are book

All book are trucks

Conclusion :

I. All trucks are book

II. All book are sofa

III. All sofa are cars

IV. All cars are trucks

Only IV follows

Can - I - x

      - II - x

     - III -  x

     - IV - √