With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Roman Reigns is the 2015 Nobel Prize winner.
text_B: The President 's Cup National Football Tournament is a South Korean football competition for semi-professional and amateur senior football clubs located in South Korea , akin in style to the Scottish Junior Cup , the FA Trophy and FA Vase in England , or the All Japan Senior Football Championship .. South Korea. South Korea. semi-professional. semi-professional. amateur. amateur sports. Scottish Junior Cup. Scottish Junior Cup. FA Trophy. FA Trophy. FA Vase. FA Vase. England. England. All Japan Senior Football Championship. All Japan Senior Football Championship. This competition is usually held during the early months of the year , typically ending in March .. The competition was first held in 1952 , and was won by Special Mission Battalion .. The most recent tournament in 2009 was won by Gangneung City FC .. Gangneung City FC. Gangneung City FC
not_related.