Observe the following deal:

			9 6 2
			A 3
			8 7 4
			A Q J 7 6
	Q 7	N W E S			J 8 5 3
	J 10 9 4				K 8 6 2
	A J 9 5				10 3
	8 5 2				K 9 4
			A K 10 4
			Q 7 5
			K Q 6 2
			10 3

Do the bidding. South is dealer.

How must the defence play to defeat the contract?