With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: North of the North Atlantic Gyre, the cyclonic North Atlantic Subpolar Gyre plays a key role in climate variability. It is governed by ocean currents from marginal seas and regional topography, instead of being controlled by wind, both in the deep ocean and at sea level.
text_B: Will an abnormally strong wind change the behavior of the North Atlantic Subpolar Gyre?
NO.