With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Budapest is a city in Hungary.
text_B: A market run or run on the market occurs when consumers increase purchasing of a particular product because they fear a shortage .. shortage. shortage. As a market run progresses , it generates its own momentum  : as more people demand the item , the supply line becomes unable to keep up .. supply line. supply line. This causes a local shortage , which in turn encourages further hoarding .. shortage. shortage. Examples include a run on the gasoline market following hurricane Katrina in 2005 , an ammunition shortage following President Obama 's election in 2008 , and the legendary run on toilet paper following a Johnny Carson joke on The Tonight Show in 1973 .. shortage. shortage. hurricane Katrina. hurricane Katrina. ammunition. ammunition. toilet paper. toilet paper. Johnny Carson. Johnny Carson. The Tonight Show. The Tonight Show
not_related.