Read the sentence.

The pirate who sailed his ship in the Atlantic Ocean pilfering from British naval ships and irritating the British navy.

What is the best evaluation of the sentence?

The sentence is incomplete because it lacks a complete subject.
The sentence is incomplete because it lacks a complete predicate.
The sentence is incomplete because it lacks a direct object.
The sentence is incomplete because it lacks a indirect object.

The best evaluation of the sentence is: The sentence is incomplete because it lacks a complete predicate.