I’m Sorry, What?
Regardless of one’s background or upbringing, there are certain universal concepts and objects that most people understand from a young age. These are things that we, as human beings, have been exposed to and familiar with throughout our lives.
Therefore, it’s quite safe to assume that no one should need to explain to anyone over the age of three what a plate is or how to use one. However, it seems you can’t take such assumptions for granted when it comes to certain older men. The doubt of this particular story is hard to ignore.