With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Gadsden flag was designed in 1775 during the American Revolution.
text_B: Ilulissat Icefjord -LRB- Ilulissat Kangerlua -RRB- is a fjord in western Greenland .. Greenland. Greenland. fjord. fjord. Ilulissat Icefjord was declared a UNESCO World Heritage Site in 2004 .. UNESCO. UNESCO. World Heritage Site. World Heritage Site
not_related.