Task: Explanation
Input (English): Bruce Weber (born March 29, 1946) is an American fashion photographer and occasional filmmaker. He is most widely known for his ad campaigns for Calvin Klein, Ralph Lauren, Pirelli, Abercrombie & Fitch, Revlon, and Gianni Versace, as well as his work for "Vogue", "GQ", "Vanity Fair", "Elle", "Life", "Interview", and "Rolling Stone" magazines. Question: Bruce Weber is most widely known for his ad campaign for what American retailer that focuses on upscale casual wear? Answer: Abercrombie & Fitch
Output (English): Bruce Weber born March 29, 1946 is an American fashion photographer and occasional filmmaker.