Which sentence from the passage is an example of an opinion disguised as a fact? “Both the Mayans and the Romans cultured fish in ponds and canals.” (paragraph 4) “[Seafood] is low in fat and cholesterol, and high in the omega-3 oils that promote both heart health and brain development.” (paragraph 1) “Farming fish is much more efficient than farming beef or pork.” (paragraph 5) “Many people think that the answer is aquaculture.” (paragraph 2)