BBO Indy Tourney S: AT97 H: K973 D: 5 C: AKQ9 S: Q85432 H: void D: AKQT82 C: T Contract 6S I trump the heart Ace and lead the spade Queen, west follows with the Jack, I go up with the Ace and east plays the King. I lead the spade Ten from dummy and East asks for an undo, he wants his spade King back. Should I grant the undo? Thanks.