South dealer
   Neither side vulnerable

   North
    J 9 4 3
    Q 3
    A K 8
    A J 9 4

   South You
    K Q 10 8 7
    9 5
    6 3
    K 7 6 5

West cashes the king and ace of hearts as East high-lows.

West shifts to the jack of diamonds. You win in dummy and lead a trump.

East wins the ace, West following.

East plays the queen of diamonds and West discards a heart. You're back in business.

Quick: What is West's distribution?