With nobody vulnerable, you are dealt:
South opens 1 and it is your call:
North bids 2NT (Jacoby 2NT, game-forcing spade raise) and South jumps to 4 (flat minimum -- no singletons or voids) and buys it there. What is your opening lead?
The first trick is shown below. Assume Standard signals.
What do you play to trick 2?
The second tricks goes as below.
What do you play to the 3rd trick?
Declarer wins your diamond in dummy and takes a spade finesse.
Diamond or Spade