Relative clauses - 3

There are two types of relative clause: defining and non-defining.
Both add extra information to a sentence. Read the example sentences.

Non-defining Defining
The man, who has a moustache, is my grandfather. I’m going to wear those shoes that I bought yesterday.
The video clip, which stars Monty Bishop, will be online tomorrow. The woman who lives on the second floor is a doctor.
My Mum, whose sister lives in New York, is on holiday at the moment. My aunt works for a school which is for special needs children.
The train, which was the first of its kind, is now in a museum.