With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Promise premiered at a London cinema.
text_B: `` Off Brand '' is the sixth episode of the third season of the AMC television series Better Call Saul , the spinoff series of Breaking Bad .. Better Call Saul. Better Call Saul. AMC. AMC ( TV channel ). Breaking Bad. Breaking Bad. The episode aired on May 15 , 2017 .
not_related.