With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gwen Stefani was a member of No Doubt.
text_B: The Leopold and Astrid Coast is that portion of the coast of Antarctica lying between the western extremity of the West Ice Shelf , at 81 ° 24 ′ E , and Cape Penck , at 87 ° 43 ′ E .. Antarctica. Antarctica. West Ice Shelf. West Ice Shelf. Cape Penck. Cape Penck. It is located in the eastern half of Princess Elizabeth Land .. Princess Elizabeth Land. Princess Elizabeth Land. It was discovered and explored in an airplane flight from the Norwegian ship Thorshavn on January 17 , 1934 , by Lieutenant Alf Gunnestad and Captain Nils Larsen .. Norwegian. Norway. Alf Gunnestad. Alf Gunnestad. Nils Larsen. Nils Larsen. The coast was named by Lars Christensen , Norwegian whaling magnate and leader of the expedition , for King Leopold and Queen Astrid of Belgium .. Norwegian. Norway. Lars Christensen. Lars Christensen. whaling. whaling. King Leopold. Leopold III of Belgium. Queen Astrid. Queen Astrid. Belgium. Belgium
not_related.