With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: On Earth, water can be found in seas and oceans.
text_B: Mark S. Lachs is the Irene and Roy Psaty Distinguished Professor of Medicine at the Weill Medical College of Cornell University in New York City , and Director of Geriatric Medicine for The New York Presbyterian Health Care System .. Weill Medical College. Weill Medical College. New York Presbyterian Health Care System. New York Presbyterian Health Care System
not_related.