With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Koepp directed six films.
text_B: David Koepp -LRB- born June 9 , 1963 -RRB- is an American screenwriter and director .. Koepp is the fifth most successful screenwriter of all time in terms of U.S. box office receipts with a total gross of over $ 2.3 billion .. Koepp has achieved both critical and commercial success in a wide variety of genres  : thriller , science fiction , comedy , action , drama , crime , superhero , horror , adventure , and fantasy .. thriller. Thriller film. science fiction. science fiction. comedy. comedy film. action. action film. drama. Drama ( genre ). crime. crime film. superhero. superhero film. horror. horror film. adventure. adventure film. fantasy. Fantasy film. Some of the best known films he has written include the sci-fi adventure films Jurassic Park -LRB- 1993 -RRB- , The Lost World  : Jurassic Park -LRB- 1997 -RRB- , and Indiana Jones and the Kingdom of the Crystal Skull -LRB- 2008 -RRB- ; the action spy films Mission  : Impossible -LRB- 1996 -RRB- and Jack Ryan  : Shadow Recruit -LRB- 2014 -RRB- ; the superhero film Spider-Man -LRB- 2002 -RRB- ; the sci-fi disaster film War of the Worlds -LRB- 2005 -RRB- and the mystery thriller Angels & Demons -LRB- 2009 -RRB- .. thriller. Thriller film. action. action film. superhero. superhero film. adventure. adventure film. Jurassic Park. Jurassic Park ( film ). Indiana Jones and the Kingdom of the Crystal Skull. Indiana Jones and the Kingdom of the Crystal Skull. Spider-Man. Spider-Man ( 2002 film ). War of the Worlds. War of the Worlds ( 2005 film ). Angels & Demons. Angels & Demons ( film ). Koepp has directed six films over the course of his career  : The Trigger Effect -LRB- 1996 -RRB- , Stir of Echoes -LRB- 1999 -RRB- , Secret Window -LRB- 2004 -RRB- , Ghost Town -LRB- 2008 -RRB- , Premium Rush -LRB- 2012 -RRB- , and Mortdecai -LRB- 2015 -RRB- .. The Trigger Effect. The Trigger Effect. Stir of Echoes. Stir of Echoes. Secret Window. Secret Window. Ghost Town. Ghost Town ( 2008 film ). Premium Rush. Premium Rush. Mortdecai. Mortdecai ( film )
related.