Task: Question Understanding
Input (English): Context : The Damned United is a 2009 British sports drama film directed by Tom Hooper and adapted by Peter Morgan from David Peace's bestselling novel The Damned Utd, a largely fictional book based on the author's interpretation of Brian Clough's ill-fated tenure as football manager of Leeds United in 1974. 
Question : Which is the basis of The Damned United?
Output (English): based on