Polish two-suiters - 11- HCP (simple version):

• • 2♥ - 5+♥ and 5+♠ or 5+m:

    • • 2♠ - weak 2+♠ or signoff 6+♠;

      • 2 NT - ask for second suit, 3+♣ i 3+♦ or strong;

      • 3m - 6+m;

      • 3♥ - invit;

  • 2♠ -5+♠ and 5+m:

    • • 2 NT - ask for second suit, 3+♣ i 3+♦ or strong;

      • 3m - 6+m;

      • 3♠ - invit.

After the intervention, the bidding is natural.