What Michael acceptor is needed for the conjugate addition B

What Michael acceptor is needed for the conjugate addition?

Beta - Vetivone is isolated from vetiver, a perennial grass that yields a variety of compounds used in traditional eastern medicine, pest control, and fragrances. In one synthesis, ketone A is converted to beta-vetivone by a two-step process: Michel reaction followed by intramolecular aidol reaction. What Michael acceptor is needed for the conjugate addition?