With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Asia has no clear geographical boundary with North America.
text_B: Whirlwind Inlet is an ice-filled inlet that recedes inland for 7 nautical miles -LRB- 13 km -RRB- and is 12 nautical miles -LRB- 22 km -RRB- wide at its entrance between Cape Northrop and Tent Nunatak , along the east coast of Graham Land .. Cape Northrop. Cape Northrop. Tent Nunatak. Tent Nunatak. Graham Land. Graham Land. Sir Hubert Wilkins discovered the inlet on his flight of December 20 , 1928 .. Hubert Wilkins. Hubert Wilkins. Wilkins reported four large glaciers flowing into the inlet , which he named Whirlwind Glaciers because their relative position was suggestive of the radial cylinders of his Wright Whirlwind engine .. Whirlwind Glaciers. Whirlwind Glaciers. Wright Whirlwind. Wright Whirlwind. The inlet was photographed from the air by the United States Antarctic Service -LRB- USAS -RRB- in 1940 and charted by the Falkland Islands Dependencies Survey -LRB- FIDS -RRB- in 1947 .. United States Antarctic Service. United States Antarctic Service. Falkland Islands Dependencies Survey. Falkland Islands Dependencies Survey. Category  : Inlets of Graham Land. Graham Land. Graham Land. Category  : Bowman Coast. Category  : Foyn Coast
not_related.