All desks are rooms. some rooms are halls. all halls are leaves. conclusions: i. some leaves are desks. ii. some halls are desks. iii. some leaves are rooms.

All desks are rooms. Some rooms are halls. All halls are leaves. Conclusions: I. Some leaves are desks. II. Some halls are desks. III. Some leaves are rooms. None follows Only I follows Only II follows Only III follows But actually 2 nd 3 rs conclusion is following and there is no option