1. That's the DVD player that I want to buy.
(defining)
2. Friends, whichis on every Thursday, is a popular American show.
(non-defining)
3. My mother, who is a TV producer, works very long hours.
(non-defining)
4. The photo, which was taken by Man Ray, was sold for 1000 of pounds.
(non-defining)
5. Isn't that the video shop where you used to work?
(defining)
6. My brother, who is an actor, lives in London,
(non-defining)