With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Prestige is a Canadian film.
text_B: Graham Cyril Rix -LRB- born 23 October 1957 -RRB- is an English former football player .. football. association football. He is currently the head coach of A.F.C. Portchester .. A.F.C. Portchester. A.F.C. Portchester
not_related.