Statements: Some bags are trolleys.
All trolleys are luggage.
Some luggage is a warehouse.
Conclusions: I. Some trolleys are warehouses
II. Some luggage are trolleys.
III. No bag is a warehouses..
All trolleys are luggage(A) + Some luggage is a warehouse(I) ⇒ No conclusion. Hence conclusion I does not follow . All trolleys are luggage(A)) ⇒ Conversion ⇒ Some luggage are trolleys(I).. Hence conclusion II follows. Some bags are trolleys(I) + All trolleys are luggage(A) ⇒ Some bags are lugguage(I)+ Some luggage is a warehouse(I) ⇒ No conclusion. Hence conclusion III does not follow. Alternate Method: