With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The National Security Agency is responsible for the classifying of drugs for safety purposes.
text_B: Billo is a 1951 Punjabi , Pakistani film directed by Amjad Hussain and starring Darpan , M. Ismail , Nizam Din and Najma .. Darpan. Darpan. Punjabi. Punjabi language. Pakistani. Pakistani. Ghulam Ahmed Chishti composed the music with playback singers including Zubaida Khanum.This was the movie in which renowned music director Ghulam Ahmed Chishti introduced. Ghulam Ahmed Chishti. Ghulam Ahmed Chishti. Zubaida Khanum. Zubaida Khanum. Zubaida Khanum into the Pakistan film industry .. Pakistan. Pakistan. Zubaida Khanum. Zubaida Khanum. Pakistan film industry. Pakistan film industry
not_related.