The key answer of exercise 3
The key to exercise solutions in chapter 11 - Vocabulary for the textbook New Headway Advanced - Workbook with authors Liz Soars, John Soars and Paul Hancock from Oxford University Press
Question
Read and listen to the poem. What is it about? What has caused all the spelling mistakes?
Answer
It's about a spelling checker. A lot of words are spelt incorrectly - using a word that sounds the same, but has a different meaning. Because the words exist, the spelling checker won't identify with them as wrong as it can't understand the context of sentences.