I have a black cat which name is Blacky.

I have a black cat who name is Blacky.

I have a black cat whose name is Blacky.

A herbivore, that is an animal, feeds upon vegetation

A herbivore is an animal who feeds upon vegetation

A herbivore is an animal that feeds upon vegetation

Carol plays the piano brilliantly who is only 9 years old.

Carol, who plays the piano brilliantly, is only 9 years old.

Carol, that plays the piano beautifully, is only 9 year sold.

Sydney, who is the largest Australian city, is not the capital of Australia.

Sydney, which is the largest Australian city, is not the capital of Australia

Sydney is the largest Australian city that is not the capital of Australia

We ordered a book which was very expensive.

We ordered a book who was very expensive.

We ordered a book that was very expensive.

You are sitting on a bench. which the paint is still wet.

You are sitting on a bench whose paint is still wet.

You are sitting on a bench. that the paint on the bench is still wet.

The photographer who could not develop the pictures had taken them in Australia.

The photographer could not develop the pictures that had taken in Australia.

The photographer could not develop the pictures which had taken in Australia.

The city, which is usually crowded with people, seems to be abandoned.

The city seems to be abandoned that is usually crowded with people.

The city seems to be abandoned where is usually crowded with people.

We spent a week in Stratford-upon-Avon which William Shakespeare was born there.

We spent a week in Stratford-upon-Avon where

William Shakespeare was born.

We spent a week in Stratford-upon-Avon who.

William Shakespeare was born there.

This book is about William Barak who he was an Aboriginal artist and an important cultural leader for Victoria's Indigenous community.

This book is about William Barak which was was an Aboriginal artist and an important cultural leader for Victoria's Indigenous community.

This book is about William Barak who was an Aboriginal artist and an important cultural leader for Victoria's Indigenous community.

I've just seen a film about Marie Curie who was awarded the Nobel Prize in Chemistry in 1911.

I've just seen a film about Marie Curie that was awarded the Nobel Prize in Chemistry in 1911.

Marie Curie was awarded the Nobel Prize in Chemistry in 1911 which I 've just seen a film about..

Three young boys were arrested by the police who had committed criminal offences.

Three young boys who were arrested by the police had committed criminal offences.

Three young boys who had committed criminal offences were arrested by the police.

You should come in December which we celebrate Christmas then.

You should come in December where we celebrate Christmas..

You should come in December when we celebrate Christmas.

Gorgonzola is a type of Italian cheese who is very expensive.

Gorgonzola, which is very expensive, is a type of Italian cheese.

Gorgonzola is very expensive which is a type of Italian cheese.