Directions: In the question below are given three statements followed by three conclusions numbered I,II and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.
Statement: All rats are cats.
No cow is cat.
All dogs are cows.
Conclusions: I. No dog is cat.
II. No dog is cat.
III. No cow is cat.
1) None follows
2) Only III follows
3) Only I AND II follow
4) Only II and III follows 5)All follows

Explanation

4, None follows