The complexity of a sentence is determined by the number and type of clauses it contains. Mastery of these structures allows for more nuanced and sophisticated communication. Analyze the following statements:

I.A "Simple Sentence" contains only one independent clause and no subordinate clauses, even if it has a compound subject or verb.

II.A "Compound Sentence" consists of two or more independent clauses joined by coordinating conjunctions such as "and," "but," or "or."

III.A "Complex Sentence" is formed by joining two or more independent clauses without the use of any dependent clauses or relative pronouns.

Which statements are correct: