With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Noam Chomsky refused to study philosophy.
text_B: Sirens is a 1999 crime-drama TV film starring Dana Delany .. Dana Delany. Dana Delany. TV film. TV film. Premiered September 26 , 1999 on Showtime Networks .. Showtime Networks. Showtime Networks
not_related.