Subject or Object
The man who is talking is my uncle.
Subject: The man talking.
The movie that we watched was funny.
Object: watched the movie.
The woman who called me is my aunt.
Subject: the woman called
I met a girl who speaks French.
Subject: the girl speaks.
The cake that he made was delicious.
Object: made the cake
That‘s the house that my father built.
Object: the build of the house.
This is the car that I want to buy.
Object: I want to buy the car.
I know the man who lives next door.
Subject: the man know his neighbor.
The phone that you lost was very expensive.
Object: The phone got lost.