Q: I am verifying the answers generated by an automatic system to the following question: what is the hangover 2 about? Suggested answer: The film stars Bradley Cooper , Ed Helms , Zach Galifianakis , Ken Jeong , Jeffrey Tambor , Justin Bartha and Paul Giamatti . Should I validate this answer?

Options: (a). No. (b). Yes.
A:
(a).