With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Heard acted in a movie directed by a man.
text_B: Gustav Woldemar Freiherr von Biedermann -LRB- 5 March 1817 , Marienberg -- 6 February 1903 , Dresden -RRB- was a jurist , literary historian , and Goethe researcher .. Marienberg. Marienberg, Saxony. Dresden. Dresden. Goethe. Goethe
not_related.