Premise: Brian Thomas Helgeland ( born January 17 , 1961 ) is an American screenwriter , film producer and director . He is most known for writing the screenplays for L.A. Confidential ( for which he received the Academy Award for Best Adapted Screenplay ) , Mystic River , and A Nightmare on Elm Street 4 : The Dream Master . A screenplay writer ( screenwriter for short ) , scriptwriter , or scenarist is a writer who practices the craft of screenwriting , writing screenplays on which mass media , such as films , television programs , comics or video games , are based .
Hypothesis: Brian Helgeland is a screenplay writer.
Label: ENTAILMENT