Task: Explanation
Input (English): What Happens in Vegas is a 2008 American comedy film directed by Tom Vaughan, written by Dana Fox and starring Cameron Diaz and Ashton Kutcher. The title is based on the Las Vegas marketing catchphrase "What happens in Vegas, stays in Vegas." Question: Who was the American screenwriter for 2008 American comedy film directed by Tom Vaughan and starring Cameron Diaz and Ashton Kutcher? Answer: Dana Fox
Output (English): What Happens in Vegas is a 2008 American comedy film directed by Tom Vaughan, written by Dana Fox and starring Cameron Diaz and Ashton Kutcher.