EW Vulnerable	North
West ♠  10 2 ♥  A 7 ♦  K 10 3 ♣  K J 10 9 5 3		East ♠  A K 8 6 3 ♥  K 9 6 4 3 2 ♦  9 ♣  2
	South
W N E S 1♣ - 1♥ - 1NT - ?
The rules are : Bid your longest suit first Bid 4-card suits up the line Bid higher ranking one of two 5-card suits first What does East bid next ?