With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Horseshoe Falls is also known as American Falls.
text_B: The American Falls is one of three waterfalls that together are known as Niagara Falls on the Niagara River along the Canada -- U.S. border .. Niagara River. Niagara River. Niagara Falls. Niagara Falls. Unlike the much larger Horseshoe Falls , of which two-thirds of the falls is located in Ontario , Canada , and one-third in the U.S. state of New York , the American Falls is entirely within the United States .. Horseshoe Falls. Horseshoe Falls. U.S. state. U.S. state. New York. New York ( state ). United States. United States
related.