With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Dark Knight features the character Superman.
text_B: Reginald Karori Henry Johansson -LRB- 27 November 1925 -- 20 June 2007 -RRB- was a New Zealand field hockey player .. New Zealand. New Zealand. He represented New Zealand in field hockey between 1950 and 1956 , including at the 1956 Olympic Games in Melbourne .. New Zealand. New Zealand. 1956 Olympic Games. New Zealand at the 1956 Summer Olympics
not_related.