Is it just a guess ?

Match-points, N/S vul., dealer E

I was actually declarer on this deal, but it seems an interesting
defensive problem.

K Q J
5 3
K J 7 4
10 6 4 2
                  A 9 7 5 3 2
                  9 7 5 3
                  8 6
                  A

E             S             W           N
p            1D            1H           2D
2S          3D             p             p
3H          4D           all pass

Opening lead S6;  SJ, SA,   S8

(If you decide to cash CA, it continues C3, C5(attitude), C2)

How do you defend ?

Dave Flower