Tom'u kovmak kimin fikriydi. - Whose idea was it to fire Tom?
Tom'u kovmak kimin fikriydi.
Whose idea was it to fire Tom?
Bu gömleği tanımıyorum. O kimin? - I don't recognize this shirt. Whose is it?
Bu gömleği tanımıyorum. O kimin?
I don't recognize this shirt. Whose is it?
This is the man whose dog caused the accident. (=This man's dog caused the accident.).