With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The September 11 attacks injured over 6,000 people.
text_B: Kaye Crest is a ridge lying between the Preuschoff Range and the Gablenz Range in the Muhlig-Hofmann Mountains of Queen Maud Land , Antarctica .. Preuschoff Range. Preuschoff Range. Gablenz Range. Gablenz Range. Muhlig-Hofmann Mountains. Muhlig-Hofmann Mountains. Queen Maud Land. Queen Maud Land. The name `` Kaye-Kamm '' was given to a linear elevation in this vicinity by the Third German Antarctic Expedition under Alfred Ritscher , 1938 -- 39 .. Third German Antarctic Expedition. Third German Antarctic Expedition. Alfred Ritscher. Alfred Ritscher. The correlation of the name with this feature may be arbitrary but is recommended for the sake of international uniformity and historical continuity .
not_related.