Question: Who was the American screenwriter for 2008 American comedy film directed by Tom Vaughan and starring Cameron Diaz and Ashton Kutcher?
Sentence (from "My Sister's Keeper (film)"): My Sisters's Keeper is a 2009 American drama film directed by Nick Cassavetes and starring Cameron Diaz, Abigail Breslin, Sofia Vassilieva, and Alec Baldwin.
Relevant evidence: No