With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marble Hill is outside of Manhattan.
text_B: The Double Islands are two small rocky islands lying close east of the tip of Zelee Glacier Tongue and 0.4 nmi north-northwest of the Triple Islands .. Zelee Glacier Tongue. Zelee Glacier Tongue. Triple Islands. Triple Islands ( Antarctica ). They were photographed from the air by U.S. Navy Operation Highjump , 1946 -- 47 , and were charted and named by the French Antarctic Expedition , 1949 -- 51 .. U.S. Navy Operation Highjump. U.S. Navy Operation Highjump. French Antarctic Expedition. French Antarctic Expedition
not_related.