Relative clauses: defining and non-defining

Lady Gaga, who is a well-known pop star, is only 24

• Defining

• Non-defining

This is the officer that arrested the burglar.

• Defining

• Non-defining

The village where I grew up is very small.

• Defining

• Non-defining

London, which is the capital of England, is one of the largest cities in the world

• Defining

• Non-defining

Alice, who's retired now, spends a lot of time with her grandchildren.

• Defining

• Non-defining

Are you the one who sent me the letter?

• Defining

• Non-defining

He's a singer and composer whose albums have sold millions.

• Defining

• Non-defining

Oscar is the man that I met yesterday.

• Defining

• Non-defining

The author, who is 40 years old, won an award.

• Defining

• Non-defining

The book, which was published today, is sold out.

• Defining

• Non-defining