Now I wonder if done as a joke, I am sure no one things people need to know that thing above your head is called a ceiling?
Good one though. One can think of many more, next inspected when it goes wrong?
Best before some one else eats it, display until writing fades, and as to who is authorised remains to be seen.
What is this? It is a person, thing, idea, state, event, time, remark, etc., as present, near, just mentioned or pointed out, supposed to be understood, or by way of emphasis): My wife does not like that answer.