EW Vulnerable	North
West ♠  K 3 ♥  K 2 ♦  K 5 3 2 ♣  A K 10 8 5		East ♠  A Q J 10 4 2 ♥  A Q 7 3 ♦  A 7 ♣  4
	South
W N E S 1♣ - ?
After West has opened 1♣, what should East immediately know and must take responsibility for ?