Signals And Discards

Board 7
South Deals
Both Vul
♠K 2
♥K Q J
♦A J 5
♣J 10 9 7 2
♠8
♥5 3 2
♦10 9 7 6 2
♣A K Q 5
N
WE
S
♠A Q 5 4 3
♥10 9 8 7
♦4 3
♣8 6
♠J 10 9 7 6
♥A 6 4
♦K Q 8
♣4 3
WestNorthEastSouth
   Pass
Pass1♣Pass1♠
1NTPass3NTAll pass
3NT by West

Lead ♥ 10

North wins with the ♥ A in dummy and runs ♠ J. East wins with the ♠ Q and exits with another heart. Declarer now plays ♠ K to East's ♠ A. West should discard a low club
(low=like) or ♦ 9 (high=hate). The contract will now go 1 down.