With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kane is Glenn Thomas Jacobs's ring name while wrestling.
text_B: Rary the Traitor is a Dungeons & Dragons sourcebook and module for the World of Greyhawk campaign setting .. Greyhawk. Greyhawk. Dungeons & Dragons. Dungeons & Dragons. World of Greyhawk. World of Greyhawk. campaign setting. campaign setting
not_related.