Answer:
FALSE because "Sit!" is a sentence as when you instruct a dog to sit that is a whole sentence on its own.
This question is actually based from "Ideals of Human Excellence and Preserving Natural Environments" which was written by Thomas E. Hill. Based on his example as stated here, what the rich, eccentric man do to his yard after buying a new house were covering the yard with asphalt and cutting down the avocado tree. Hope this helps.
Connotations im pretty sure