II. Do the following sentences contain defining or non-defining relative clauses? Mark the sentences D (defining) or N (non-delining). Add commas
where necessary.
1 She lent me a book! I lost the book that she lent me,
My uncle who was very shy when he was a child is now a multimillionaire,
3. Several groups played at the festival, The first group who played was Dire Straits.
4. Pink Floyd who wrote the song | MonAes live in London.