The boy who/that helped me lives next door.
The book which/that is lying on the floor is not yours.
The girl who/that is sitting next to you is very clever.
The room which/that faces the street is very noisy.
The women (who/that) we saw at the cinema is Pisti’s wife.
The women you were sitting next to is my sister-in-law.
The woman we talked to yesterday is the boss’s lover.
The book (whic/that) I lent you is Joe’s.