Playhand 27

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

You are South in 3NT and 6 is led. Plan the play

If s break 4-4 then the contract always makes. If East has only 3 s then by holding up until the 3rd round you can ensure making the contract. Leading J and if necassary 9, either the finesse works or if E has the K will have no s to lead to W