Which lines in this excerpt from anita desai’s "games at twilight" clearly show an omniscient narrator?

Ihave to find 4 errors in each day of the week diary post. friday today was the last day of the school week so i are happy! mum made pizza to dinner. i really like mums pizzas. we watched a dvd after dinner. it was quite funny but my brother fall asleep on the sofa and didn’t see the end of the movie!

How does the author's purpose affect his or her text structure

What is the probability of getting a license plate with 123 abc or abc 123?