Scoring: IMP
You respond with a (semi)-forcing 1NT to North's 1S opening and get to the best spot of 4H by South.
West leads the King of clubs. After some consideration RHO takes this with the ace and switches to a spade. Plan the play.
Scoring: IMP
Playing an Acol-style system this time you bid 1S - 2H - 3D (extras) - 3H - 4H. West again leads the king of clubs. You win this with the ace, RHO showing an odd number. Plan the play - in particular, what is the main danger to your contract?

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