With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Las Vegas is the most popular city in its country.
text_B: Downer Glacier is a 2.6-mile-long -LRB- 4.2 km -RRB- glacier in the U.S. state of Alaska .. Alaska. Alaska. glacier. glacier. U.S. state. U.S. state. Trends west with a length of 2.6 mi , in Kora Keen Range , 46 mi northwest of Valdez .. Kora Keen Range. Kora Keen Range. Valdez. Valdez, Alaska. It was named in 1910 by Lawrence Martin for the Milwaukee-Downer College for Women in Milwaukee , Wisconsin .. Lawrence Martin. Lawrence Martin ( geographer ). Milwaukee-Downer College. Milwaukee-Downer College
not_related.