The girl whom your met yesterday is my sister.
John is the photographer whose picture won the competition.
You shouldn't eat food that is full of sugar and fat.
The cartoon that he drew was very funny.
The artist who influenced him a lot is Picasso.
We went to a national park which is famous for its wildlife.
The English course that she went to was in New York.
The book that you lost is in his car.
The country which he likes best is Australia.
There's the boy whose composition was the best.