This is the film which I saw last night.
This is the film whose name is Titanic .
The man and the woman whom you see in the picture are Jack and Lucy .
Here are two pictures that are taken from the film .
Jack and Lucy are the hero and the heroine who loved each other very much in the film .
which指物,作宾语
that指物,作主语
whose指人,作定语
whom指人,作宾语
who指人,作主语