You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follow(s) from the given statements
Statements: All bats are flies.
All rats are bats
Conclusions: I.All flies are rats
II. All bats are rats
III. All rats are flies
IV)Some flies are not bats
1) Only I and III follow
2)Only III and IV follow
3)Only III and IV follow
4) Only II and III follow
5)None of these

Explanation

5, None of these