With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Joseph Gordon-Levitt starred in a movie.
text_B: Hesher is a 2010 American dark comedy / drama film co-written and directed by Spencer Susser and starring Joseph Gordon-Levitt , Rainn Wilson , Natalie Portman -LRB- who also produced the film -RRB- and Devin Brochu .. Spencer Susser. Spencer Susser. Natalie Portman. Natalie Portman. Joseph Gordon-Levitt. Joseph Gordon-Levitt. Rainn Wilson. Rainn Wilson. dark comedy. dark comedy. drama film. drama film. It was written by Susser , David Michod and Brian Charles Frank .. David Michod. David Michod. Screened at the Sundance Film Festival January 22 , 2010 , the film was released in the United States on May 13 , 2011 .. Sundance. 26th Sundance Film Festival. Sundance Film Festival. Sundance Film Festival. Most of the songs on the film 's soundtrack are tracks from heavy metal bands Metallica and Motorhead .. Metallica. Metallica. Motorhead. Motorhead. heavy metal. Heavy metal music
related.