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 : 

Some doctor are adviser

All teacher are adviser

Some chef are adviser

All chef are businessmen

Conclusion :

I. Some teacher are Doctor

II. Some businessman are Advisor

III. Some businessman are teacher

IV. Some advisor are teacher

Only II and IV follow

Conclusion :

        I - x

       II - √

       III - x

       IV - √