With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Black Sabbath released a debut album of the same name in 1970.
text_B: aka Tokaido Yotsuya kaidan is a 1956 black-and-white Japanese film directed by Masaki Mori .. Masaki Mori. Masaki Mori. Japanese film. Cinema of Japan. kaidan. kaidan. It is Japanese horror film -LRB- J-Horror -RRB- based on the Japanese ghost story -LRB- kaidan -RRB- about Oiwa and Tamiya Iemon .. J-Horror. J-Horror. kaidan. kaidan
not_related.