Choose the correct sentence pattern (below) for this: "Porpoises are performers."

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1 point
S-V-O (Subject-Verb-Object)
S-V-IO (Subject-Verb-Indirect Object-Direct Object)
S-V-N (Subject-Verb-Predicate Nominative)
S-V-A (Subject-Verb-Predicate Adjective)

S-V-N (Subject-Verb-Predicate Nominative)