Tick (✔️) the sentences which contain
non-defining relative clauses and add commas
1 My brother is someone who just doesn't like listening to jokes.[]
2 Fairy tales which were written for children are now being adapted for the cinema.[]
3 The Brothers Grimm whose stories have fascinated millions of children lived in the 19th century.[]
4 It's difficult to read in places where people are talking on mobile phones​