West ♠5 3 ♥ A Q J 10 7 ♦ 8 4 2 ♣ A K 5		East ♠ A 9 7 2 ♥ K 9 8 3 ♦ 9 ♣ 10 9 7 4
W N E S 1♥ - ?
West opens 1♥.   What does East respond ?