The children were learning about non-fiction books and using the phrases "contents page", "index page" and so on. Their teacher set them the task of making an 'All about Me' book, and Sam realised he didn't know what to put in his glossary.
"Think of a word that you don't know the meaning of and use that with its meaning once you have looked it up," suggested his teacher. After much thought, Sam came up with a word that he didn't know the meaning of... "God."