Statement: Some pencils are kites. Some kites are desks. All desks are jungles. All jungles are mountains. Conclusions: I. Some mountains are pencils. II. Some jungles are pencils. III. Some mountains are desks IV. Some jungles are kites.

Some kites are desks + All desks are jungles. = I + A = I = Some kites are jungles → Conversion → Some jungles are kites (I) Hence IV follows. some pencils are kites + Some jungles are kites = I + I = No conclusion Hence I and II does not follow. All desks are jungles + All jungles are mountains = A + A = A = All desks are mountains → Conversion → Some mountains are desks (I). Hence III follows.