You play South. Open the bidding, then respond to partner's transfer: 2♦ = 5+ hearts (bid 2♥) · 2♥ = 5+ spades (bid 2♠).

After you accept, partner (a real hand) may make a further natural bid — judge whether to pass or raise to game. East and West pass throughout.

At the end, Double Dummy analysis shows how many tricks are available with best play on both sides.