With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Anorexia nervosa often starts during the teen years or young adulthood.
text_B: The 2008 Benin floods struck the nation of Benin between July and October 2008 , and affected the other West African nations of Burkina Faso , Mali , Mauritania , Niger and Togo .. Benin. Benin. Burkina Faso. Burkina Faso. Mali. Mali. Mauritania. Mauritania. Niger. Niger. Togo. Togo. According to the Red Cross of Benin , the flooding in Benin initially affected almost 7,000 people , including the displacement of 1,560 children .. Benin. Benin. and by August 19 , 2008 , the World Health Organization -LRB- WHO -RRB- estimated that the flooding had displaced at least 150,000 people .. World Health Organization. World Health Organization. Some 500,000 people in total were at risk of additional flooding .
not_related.