With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bill Shankly managed Liverpool F.C.
text_B: Strip Jack is a 1992 crime novel by Ian Rankin .. Ian Rankin. Ian Rankin. crime novel. crime novel. It is the fourth of the Inspector Rebus novels .. Inspector Rebus. Inspector Rebus. The title refers to the popular card game `` Strip Jack Naked '' .. Strip Jack Naked. Beggar-My-Neighbour
not_related.