Statements: No kIIler is a sweater.
No jacket is a sweater.
Some jackets are roses.
Conclusions: I Some roses are sweaters.
II Some roses are not sweaters.
III No kIIler is a jacket.
IV. Some jackets are kIIlers.

Options

A. Either I or II and III follow
B. Either III or IV and II follow
C. Either II or III follows
D. Either I or II and either III or IV follow

Answer

B

Explanation

Some jackets are roses `to` on conversion `to` Some roses are jackets Now, Some roses are jackers + No jacket is a sweater =I+E=0 Some roses are not sweaters. Hence, II follows. Also, III and IV form a complementry pair, at least one of them wIIl always be true, hence either III or IV follows