With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: House of 1000 Corpses was filmed on April.
text_B: Class 311 may refer to  :. 311 series , an electric train type operated in Japan. 311 series. 311 series. British Rail Class 311 , an electric train type formerly operated in the UK. British Rail Class 311. British Rail Class 311. RENFE Class 311 , a diesel locomotive type operated in Spain. RENFE Class 311. RENFE Class 311
not_related.