Answer:
A simple sentence
Step-by-step explanation:
A simple sentence is a sentence that consists of one independent clause. An independent clause is a clause that can stand alone as a sentence, which means that it contains all elements a sentence should contain. It has a subject and predicate and expresses a complete thought.
The children wore their dirty boots. is an example of a simple sentence. The complete subject is the children, and the complete predicate is wore their dirty boots. As we can see, this sentence makes sense, which means that it expresses a complete meaning.