With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: True Blood is written by Charlaine Harris
text_B: was a Japanese samurai of the Sengoku period , who served the Mori clan .. samurai. samurai. Sengoku period. Sengoku period. Mori clan. Mori clan. He was also known as Shinagawa Katsumori , Shinagawa Daizen and Shinagawa Okaminosuke .. Category  : Mori retainers. Category  : Samurai. Category  :1544 births. Category  :1565 deaths
not_related.