Problem

The Auction:

You are South on this week’s deal and reach a contract of 4♠. Your partner used the reverse Drury convention after you opened the auction with 1♠ in fourth seat. 2♣ showed your partner has 10-12 points and 3-card support in spades asking you if your hand was light or “normal” opening. The 2♦ reverse Drury response confirmed you have full opening values. Now your task is to make the contract.