With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dragon Ball has only ever been a TV series.
text_B: `` Over My Dead Body '' is the 6th episode of the supernatural drama television series Grimm of season 2 and the 28th overall , which premiered on October 5 , 2012 , on NBC .. Grimm. Grimm ( TV Series ). season 2. Grimm ( season 2 ). NBC. NBC. The episode was written by Spiro Skentzos , and was directed by Rob Bailey .. Rob Bailey. Rob Bailey ( director )
not_related.