Prompt
"Generate an image of a cinematic poster for the 2009 film 'A Single Man', set in 1960s Los Angeles, featuring Colin Firth as George Falconer, a middle-aged man standing alone in a suit, with a subtle background hinting at his profession as a university professor, in a style that captures the film's themes of solitude, introspection, and nostalgia, with muted colors and a realistic tone."