With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tom Hardy appeared in a film.
text_B: John Tarrant -LRB- 1932 -- 1975 -RRB- was an English long-distance runner , nicknamed `` The Ghost Runner '' for his habit of `` gatecrashing '' races from which he was barred due to his `` non-amateur '' status , acquired during a brief career as a teenage prize-fighter .
not_related.