Beerman_55

Spot on Tyler, S bids 3H (transfer to spades), then whatever tools you have e.g. N bids 3S, S bids 4D to show 1 or 2 round control (Don't forget he is the only one in the auction to know about the singleton D - so he must make it known), N bids 4NT, S bids whatever your convention and knowing you have 4 from 5 keycards then N bids 6S. Cold.