With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ecuador is a representative democratic republic in northwestern South America.
text_B: The men 's 2500 metres steeplechase was a track & field athletics event at the 1900 Summer Olympics in Paris .. track & field athletics. Track and field. 1900 Summer Olympics. 1900 Summer Olympics. Paris. Paris. steeplechase. steeplechase ( athletics ). It was the first time , that a steeplechase race was held at the Olympics .. steeplechase. steeplechase ( athletics ). It was held on July 15 , 1900 .. The race was held on a track of 500 metres in circumference .. Six athletes from six nations competed in the shorter of the two steeplechase events .. steeplechase. steeplechase ( athletics ). The 4000 metre steeplechase race was held one day later .. steeplechase. steeplechase ( athletics ). The competition involved five laps of the 500 metre track , complete with standard hurdles as well as stone fences and a water jump .
not_related.