Explanation:

• The Labrador Current is a cold current in the North Atlantic Ocean which flows from the Arctic Ocean south along the coast of Labrador and passes around Newfoundland, continuing south along the east coast of Canada near Nova Scotia.
• The Gulf Stream, together with its northern extension the North Atlantic Drift, is a warm and swift Atlantic ocean current that originates in the Gulf of Mexico and stretches to the tip of Florida, and follows the eastern coastlines of the United States.
• Benguela Current, oceanic current that is a branch of the West Wind Drift of the Southern Hemisphere. It flows towards the extends southwestward from off Cape Fria, Namibia, toward Gough Island. 

Hence option 4th is correct.