Some grapes are apples + Some apples are bananas = I + I = No conclusion So we can't move any further for ' grape' and this rules out I and II. Some apples are banana + All banana are guava = I + A = I = Some apples are guavas → conversion → Some guavas are apples (I). Hence III follows All bananas are guavas + No guava is pomegranates. Hence IV follows.