It's widely believed that this is something of an urban myth. According to this myth, prison governors supposedly use third-grade reading scores in local schools to plan how many beds they will need to provide in their facilities. The idea is that those who fall into a life of crime never progress in their reading abilities beyond third grade.
Explanation:
The word Is, is not a noun phrase.
The Importance of Being Earnest is first and foremost a farce, a comedy of manners whose main goal is to amuse the audience, rather than to make them think.