With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sicily is the largest island in the Mediterranean Sea.
text_B: Sergey Valentinovich Shilov -LRB- Сергеи Валентинович Шилов born October 1 , 1970 -RRB- is a Russian cross-country skier , biathlete and six time Paralympic Champion .. cross-country skier. cross-country skier. biathlete. biathlete. Paralympic. Paralympic Games. Shilov has competed at nine Paralympic Games -LRB- 5 Winter and 4 Summer -RRB- , in cross-country skiing , biathlon and in athletics .. Paralympic Games. Paralympic Games. cross-country skiing. Cross-country skiing at the Winter Paralympics. Paralympic. Paralympic Games. Winter. Paralympic Winter Games. Summer. Paralympic Summer Games. biathlon. Biathlon at the Winter Paralympics. athletics. Athletics at the Summer Paralympics. He has won a total of 10 medals at the Games , in cross-country skiing , of which six are gold .. cross-country skiing. Cross-country skiing at the Winter Paralympics
not_related.